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4000 IELTS Academic Words List (9)

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ideal
identical
identification
identify
identity
idiom
idiomatic
idiot
idle
idol
ignite
ignorance
ignorant
ignore
illegible
illiterate
illuminate
illusion
illusive
illustrate
illustration
image
imaginary
imitate
imitation
immediate
immediately
immense
immerse
immigrant
immigrate
immigration
imminent
immoral
immortal
impact
impart
impartial
imperative
implement
implication
implore
imply
import
impose
impractical
impressive
imprisonment
impulse
inability
inaccessible
inadequate
inaugurate
incense
incentive
incident
incidentally
inclination
incline
inclined
inclusive
income
incompatible
inconsistency
inconvenient
incorporate
incredible
incredulous
increment
incur
indebted
indefinite
indefinitely
indent
independent
index
indicate
indicative
indifference
indifferent
indigestion
indignant
indignation
indispensable
individual
induce
inducement
indulge
industrial
industrialization
industrialized
industrious
inertia
inevitable
inevitably
infant
infantry
infect
infection
infectious
infer
inference
inferior
inferiority
infinite
infinity
inflation
inflict
influence
influential
influenza
inform
informal
informative
infringe
ingenious
ingenuity
inhabit
inhabitant
inherent
inherit
initial
initially
initiate
initiative
inject
injure
injury
injustice
inland
innocent
innovate
innovation
innumerable
inquire
inquiry
insane
insert
insider
insight
insignificant
insist
insolvent
inspect
inspection
inspector
inspiration
inspire
install
installation
installment
instance
instinct
instinctive
institute
institution
instruct
instruction
instructive
instrument
instrumental
insufficient
insulate
insulation
insult
insurance
insure
intangible
integral
integrate
integrity
intellect
intellectual
intelligence
intelligent
intense
intensive
intent
intention
interact
interaction
interest
interfere
interference
interior
intermediate
internal
interpret
interpretation
interrupt
interval
intervene
intimate
intrude
inundate
invade
invader
invalid
invalidate
invaluable
invariably
invasion
inverse
invest
investigate
investigation
invisible
invoice
involve
irony
irregular
irresistible
irrespective
irrevocable
irrigate
irrigation
irritate
isolate
isolation
issue
item
ivory


ideal: Read
a.
(идеал) existing in idea or thought; conception; intellectual; mental; imaginary standard of excellence; fit for a model; faultless

identical: Read
a. Syn. duplicate; alike
(идентичными) duplicate; alike; being the exact same one

identification: Read
n.
(идентификации) act of designating or identifying something; condition of having your identity established

identify: Read
v. Syn. detect; spot; find out; discover
(выявления) detect; find out; discover

identity: Read
n. Syn. individuality; character
(личность) exact sameness; distinct personality of an individual regarded as a persisting entity

idiom: Read
n. Syn. lingo
(идиомы) expression whose meaning differs from meanings of its individual words; distinctive style

idiomatic: Read
a.
(идиоматических) having the nature of an idiom; characteristic of a given language

idiot: Read
n.
(идиот) foolish or stupid person; unlearned, ignorant, or simple person

idle: Read
a.
(простоя) useless; vain; trifling; unprofitable; thoughtless; given rest and ease; avoiding work or employment; lazy

idol: Read
n.
(идол) image used for worship; image of divinity; representation or symbol; false notion or conception

ignite: Read
v. Syn. kindle
(разжечь) kindle; cause to start burning; set fire to

ignorance: Read
n.
(невежества) lack of knowledge or education

ignorant: Read
a. Syn. unlearned; uneducated; unaware
(невежественных) lacking education or knowledge; unaware

ignore: Read
v. Syn. disregard; overlook; neglect
(игнорировать) refuse to pay attention to; disregard; overlook; neglect

illegible: Read
a.
(неразборчиво) incapable of being read; unclear; not legible

illiterate: Read
a.
(неграмотных) uncultured; uneducated; not able to read or write

illuminate: Read
v. Syn. brighten; enlighten; clarify
(освещения) provide or brighten with light; clear up or make understandable; enlighten

illusion: Read
n. Syn. misconception
(иллюзии) misleading vision; being deceived by a false perception or belief

illusive: Read
a. Syn. deceptive; misleading
(призрачные) deceptive; misleading; based on or having the nature of an illusion

illustrate: Read
v. Syn. represent; demonstrate; depict
(иллюстрации) represent; demonstrate; depict; clarify, as by use of examples or comparisons

illustration: Read
n. Syn. picture; drawing
(иллюстрации) picture; drawing; showing by example

image: Read
n. Syn. picture; figure
(изображение) visual representation; representation of a person

imaginary: Read
a. Syn. unreal; fanciful; visionary
(мнимой) having existence only in the imagination; fanciful; visionary

imitate: Read
v. Syn. mimic; emulate; copy
(подражать) copy the actions, appearance, mannerisms, or speech of; mimic; use or follow as a model

imitation: Read
n. Syn. emulation
(имитация) emulation; copying the actions of someone else

immediate: Read
a. Syn. prompt; instantaneous; close
(немедленно) not deferred by an interval of time; present; occurring at once; instant

immediately: Read
ad. Syn. right; directly
(немедленно) proximately; directly; without interval of time; without delay; promptly; instantly; at once

immense: Read
a. Syn. enormous; colossal; boundless
(огромной) enormous; boundless; so great as to be beyond measurement

immerse: Read
v.
(погружать) plunge into anything, especially a fluid; sink; dip

immigrant: Read
n. Syn. alien
(иммигранты) one who comes to a country where they were not born in order to settle there; non-native

immigrate: Read
v.
(иммигрировать) move into another country to stay there permanently

immigration: Read
n.
(иммиграция) migration into a place; moving into a place

imminent: Read
a. Syn. impending
(неизбежно) near at hand; close in time; about to occur

immoral: Read
a.
(аморальным) not moral; contrary to conscience or the divine law; wicked; unjust; dishonest

immortal: Read
a.
(бессмертной) not mortal; exempt from liability to die; undying; imperishable; lasting forever

impact: Read
n. Syn. influence; effect
(воздействия) forceful consequence; strong effect; influencing strongly

impart: Read
v. Syn. grant; bestow
(распространять) reveal or tell; grant a share of; bestow

impartial: Read
a. Syn. fair
(беспристрастным) not biased; fair; showing lack of favoritism

imperative: Read
n. Syn. urgent
(необходимо) having power command or control; critically importance; some duty that is essential and urgent

implement: Read
v. Syn. execute; perform
(реализации) put into effect; supply with tools

implication: Read
n. Syn. suggestion; hint
(последствий) something hinted at or suggested; act of implying; condition of being implied

implore: Read
v. Syn. beg; beseech
(Умоляю) beg for urgently; make an earnest appeal

imply: Read
v. Syn. signify
(следует) express or indicate indirectly; signify

import: Read
v.
(импорт) bring in from another country

impose: Read
v. Syn. demand; force; inflict
(навязать) demand; force; compel to behave in a certain way

impractical: Read
a.
(непрактично) unwise to implement or maintain in practice; theoretical

impressive: Read
a. Syn. imposing; grand
(впечатляющий) making a strong or vivid impression; producing a strong effect

imprisonment: Read
n. Syn. confinement; incarceration
(лишения свободы) confinement; putting someone in prison or in jail as lawful punishment

impulse: Read
n.
(импульс) act of applying force suddenly; an impelling force or strength

inability: Read
n.
(невозможности) lack of ability, especially mental ability, to do something

inaccessible: Read
a. Syn. unreachable; unattainable
(недоступных) unreachable; not available; unattainable

inadequate: Read
a. Syn. deficient; insufficient; poor
(недостаточным) not sufficient to meet a need; insufficient; poor

inaugurate: Read
v. Syn. start; initiate
(открыть) start; initiate; induct into office by formal ceremony

incense: Read
v. Syn. enrage; infuriate
(ладан) enrage; infuriate; cause to be extremely angry

incentive: Read
n. Syn. spur; motive
(стимул) something, such as the fear of punishment or the expectation of reward

incident: Read
n. Syn. occurrence; event; happening
(инцидента) usually minor event or condition that is subordinate to another; event; happening

incidentally: Read
ad. Syn. by chance; accidentally
(кстати) by chance; accidentally

inclination: Read
n. Syn. preference; tendency
(наклона) preference; tendency; inclined surface; slope

incline: Read
n. Syn. slope; slant
(наклона) cause to lean, slant, or slope; deviate from the horizontal or vertical

inclined: Read
a. Syn. sloping; slanted
(склонны) tending or leaning toward; bent; having preference or tendency

inclusive: Read
a. Syn. comprehensive
(включительно) tending to include all; taking a great deal or everything within its scope

income: Read
n.
(доходов) gain from labor, business, property, or capital

incompatible: Read
a. Syn. inharmonious; incongruous
(несовместимы) inharmonious; impossible to coexist; not easy to combine harmoniously

inconsistency: Read
n.
(несоответствие) state of being self-contradictory; lack of uniformity or steadiness

inconvenient: Read
a.
(неудобно) not suited to your comfort, purpose or needs

incorporate: Read
v. Syn. combine; unite
(включать) combine something into a larger whole; unite

incredible: Read
a. Syn. unbelievable; fabulous
(невероятное) unbelievable; beyond belief or understanding

incredulous: Read
a. Syn. skeptical
(недоверчиво) difficult to believe; incredible; skeptical

increment: Read
n. Syn. increase
(прирост) process of increasing in number, size, quantity, or extent

incur: Read
v. Syn. cause; arouse
(несут) bring upon oneself; become liable to; acquire or come into

indebted: Read
a.
(задолженность) morally, socially, or legally obligated to another; under a legal obligation to someone

indefinite: Read
a. Syn. unclear; vague; uncertain
(неопределенный) unclear; vague; lacking precise limits

indefinitely: Read
ad. Syn. endlessly; incessantly
(бесконечно) endlessly; incessantly; for a long time, no end defined; forever

indent: Read
v. Syn. nick
(отступ) nick; set in from margin; impress or stamp

independent: Read
a.
(независимых) not dependent; free; not subject to control by others; not relying on others

index: Read
n.
(Индекс) anything which shows, indicates, manifests, or discloses; prologue indicating what follows; second digit

indicate: Read
v. Syn. show; reflect; evidence; imply; suggest
(указать) point out; direct to a knowledge of

indicative: Read
a. Syn. suggestive; implying
(ориентировочный) suggestive; implying; serving to indicate

indifference: Read
n. Syn. apathy; unconcern; disinterest
(безразличие) unconcern; disinterest; lack of enthusiasm

indifferent: Read
a. Syn. apathetic; average
(равнодушный) having no particular interest or concern; being neither good nor bad

indigestion: Read
n. Syn. dyspepsia
(пищеварения) a disorder of digestive function; difficulty in digesting

indignant: Read
a.
(возмущены) affected with indignation; wrathful; passionate; irate; feeling wrath by unworthy or unjust treatment

indignation: Read
n. Syn. anger
(возмущение) anger aroused by something unjust

indispensable: Read
a. Syn. essential; requisite
(необходимо) essential; requisite; impossible to be omitted or remitted

individual: Read
n.
(отдельных) single person or thing; human regarded as a unique personality

induce: Read
v. Syn. persuade
(вызывать) persuade; bring about; reason or establish by induction

inducement: Read
n.
(побуждение) something that helps bring about an action or a desired result; an incentive

indulge: Read
v.
(баловаться) be complacent toward; give way to; not to oppose or restrain; yield to the desire of

industrial: Read
a.
(промышленные) of or relating to or resulting from industry; having highly developed industries

industrialization: Read
n.
(индустриализация) development of industry on an extensive scale

industrialized: Read
v.
(промышленно) made industrial; converted to industrialism

industrious: Read
a. Syn. diligent
(трудолюбивый) diligent; hard-working; busy and laborious

inertia: Read
n.
(инерции) property of matter by which it tends when at rest to remain so, and when in motion to continue in motion, and in the same straight line or direction

inevitable: Read
a. Syn. unavoidable
(неизбежны) unavoidable; incapable of being avoided or prevented

inevitably: Read
ad. Syn. unavoidably; inescapably
(неизбежно) unavoidably; in a manner that is impossible to avoid or prevent

infant: Read
n.
(младенец) child in the first period of life; young babe

infantry: Read
n.
(пехоты) body of children; a body of soldiers serving on foot; foot soldiers

infect: Read
v.
(заразить) bring into contact with a substance that can cause illness

infection: Read
n.
(инфекции) moral corruption or contamination; invasion of body which can lead to tissue damage and disease

infectious: Read
a.
(инфекционных) contagious; contaminating

infer: Read
v. Syn. deduce; conclude
(вывод) deduce; conclude from evidence or premises; lead to as a consequence or conclusion

inference: Read
n.
(вывода) inferring by deduction or induction; truth or proposition drawn from another which is admitted or supposed to be true; conclusion; deduction

inferior: Read
a. Syn. poor; lower
(нижняя) poor; lower than a given reference point; low or lower in order, degree, or rank

inferiority: Read
n.
(неполноценности) state of being lower than or not as good as

infinite: Read
a.
(бесконечного) unlimited or boundless, in time or space; without limit in power, capacity, knowledge, or excellence

infinity: Read
n.
(бесконечности) unlimited extent of time, space, or quantity; eternity; boundlessness; immensity

inflation: Read
n.
(инфляция) general increase in the prices of goods and services in a country

inflict: Read
v. Syn. impose; cause
(нанести) impose something unpleasant; cause

influence: Read
n.
(влияния) power affecting person or thing; effect of one thing on another; flowing in or upon; influx

influential: Read
a. Syn. important; powerful; significant
(влиятельных) important; powerful; having or exercising influence or power

influenza: Read
n.
(гриппа) an acute febrile highly contagious viral disease

inform: Read
v.
(сообщить) impart information to; make aware of something; be a pervasive presence in; animate

informal: Read
a. Syn. casual
(неофициальных) absence of ceremony; casual

informative: Read
a. Syn. instructive; illustrative
(информативные) instructive; illustrative; providing or conveying information

infringe: Read
v.
(нарушать) act contrary to, as a law, right, or obligation; annul or hinder

ingenious: Read
a. Syn. clever; resourceful
(гениальной) clever; having inventive or cunning mind

ingenuity: Read
n.
(изобретательности) quality or power of ready invention; quickness or acuteness in forming new combinations

inhabit: Read
v.
(населяют) live in; occupy; reside in

inhabitant: Read
n. Syn. resident; occupant
(житель) resident; someone or thing who lives in a place

inherent: Read
a. Syn. intrinsic; natural
(присущей) firmly established by nature or habit

inherit: Read
v. Syn. receive
(наследование) receive from an ancestor by legal succession or will; receive by bequest or as a legacy

initial: Read
a. Syn. preliminary
(начальной) early; preliminary; occurring at the beginning

initially: Read
ad.
(первоначально) in the beginning; at first

initiate: Read
v. Syn. begin; originate
(начать) begin; originate; admit into membership

initiative: Read
n.
(инициативе) serving to initiate; introductory step or movement; act which originates or begins

inject: Read
v. Syn. put in; infuse
(придать) put in; infuse ; force or drive fluid into something

injure: Read
v.
(ранить) do harm to; inflict damage; do injustice to

injury: Read
n.
(травмы) any physical damage to body caused by violence or accident or fracture

injustice: Read
n.
(несправедливость) unjust act; practice of being unjust or unfair

inland: Read
a.
(внутренние) within the land; more or less remote from the ocean or from open water; interior

innocent: Read
a.
(невинных) naive; lacking sense or awareness; free from evil or guilt

innovate: Read
v.
(инновации) change or alter by bringing in something new

innovation: Read
n.
(инновации) introduction of something new

innumerable: Read
a.
(бесчисленные) countless; numerous

inquire: Read
v.
(узнать) ask a question; seek for truth or information by putting queries

inquiry: Read
n. Syn. investigation; quest
(запрос) investigation; search for knowledge

insane: Read
a.
(безумный) exhibiting disordered of mind; deranged in mind; very foolish

insert: Read
v. Syn. input; enter
(Вставить) input; enter; put or set into, between, or among

insider: Read
n.
(инсайдерской) an accepted member of a group; one who has special knowledge or access to confidential information

insight: Read
n. Syn. understanding
(понимание) understanding; grasping the inner nature of things intuitively

insignificant: Read
a. Syn. trivial
(незначительным) not large enough to consider or notice; lacking in importance; trivial

insist: Read
v. Syn. maintain; contend
(настаивать) stand or rest; find support; take a stand and refuse to give way; be persistent

insolvent: Read
a. Syn. bankrupt
(неплатежеспособных) bankrupt; unable to repay one's debts

inspect: Read
v. Syn. examine
(проверки) look over; examine carefully and critically, especially for flaws

inspection: Read
n.
(инспекции) formal or official examination

inspector: Read
n.
(инспектор) high ranking police officer; investigator who observes carefully

inspiration: Read
n.
(вдохновение) sudden intuition as part of solving a problem; arousing to a particular emotion or action

inspire: Read
v. Syn. encourage; inspirit
(вдохновлять) encourage; inspirit; fire the imagination of

install: Read
v.
(установки) set up; connect or set in position and prepare for use

installation: Read
n.
(установка) act of installing or giving possession of an office, rank, or order, with the usual ceremonies; the whole of a system of machines or apparatus

installment: Read
n.
(партии) monthly payment; a part of a published serial

instance: Read
n. Syn. example
(например) example that is cited to prove a contention or illustrate a point; case or occurrence

instinct: Read
n. Syn. intuition; drive; nature
(инстинкт) inborn pattern of behavior ; nature

instinctive: Read
a. Syn. spontaneous
(инстинктивное) unthinking; prompted by instinct; spontaneous

institute: Read
n.
(институт) advance or set forth in court; association organized to promote art or science or education

institution: Read
n. Syn. institute; organization; custom; convention
(институт) institute; organization; introducing something new

instruct: Read
v. Syn. teach
(поручить) teach; make aware of

instruction: Read
n. Syn. direction; teaching
(Инструкция) direction; teaching; activities of educating or instructing

instructive: Read
a. Syn. didactic; enlightening
(поучительно) serving to instruct of enlighten or inform; enlightening

instrument: Read
n. Syn. tool; implement; device
(инструмента) tool; one used by another to accomplish a purpose; device used to produce music; legal document

instrumental: Read
a. Syn. effective; helpful; necessary
(инструментальная) serving or acting as a means or aid; helpful; relating to musical instruments

insufficient: Read
a.
(недостаточным) of a quantity not able to fulfill a need or requirement

insulate: Read
v.
(изолировать) make an island of; place in a detached situation, or in a state having no communication with surrounding objects; isolate; separate

insulation: Read
n. Syn. isolation; separation
(изоляция) act of insulating; separation; state of being detached, from other objects

insult: Read
v. Syn. offend; affront
(оскорбление) offend; affront; treat, mention, or speak to rudely

insurance: Read
n.
(страхование) protection against future loss; act, business, or system of insuring

insure: Read
v.
(застраховать) make sure or secure, specifically against loss by a contingent event; give or take insurance on

intangible: Read
a. Syn. vague
(нематериальных) not able to be perceived by senses, as touch; vague

integral: Read
a. Syn. complete; entire
(интегральных) essential or necessary for completeness; entire

integrate: Read
v. Syn. combine
(интеграции) make whole; combine; make into one unit

integrity: Read
n. Syn. uprightness; wholeness
(целостность) quality or condition of being whole or undivided; completeness

intellect: Read
n.
(интеллект) ability to learn and reason; ability to think abstractly or profoundly

intellectual: Read
n.
(интеллектуальной) of intellect; showing intellect; requiring the use of the mind, rather than emotions or instinct

intelligence: Read
n.
(разведки) ability to comprehend; understand and profit from experience; intellect; power of cognition

intelligent: Read
a. Syn. ingenious; wise; bright
(интеллектуальных) ingenious; wise; bright; having a high degree of intelligence; mentally acute

intense: Read
a. Syn. extreme; acute
(интенсивной) extreme; acute; in an extreme degree

intensive: Read
a. Syn. thorough; concentrated
(интенсивной) thorough; concentrated; tending to give force or emphasis

intent: Read
n.
(намерениях) something that is intended; aim or purpose

intention: Read
n. Syn. motive; purpose
(намерение) motive; with respect to marriage; aim that guides action

interact: Read
v. Syn. interplay
(взаимодействия) interplay; act together or towards others or with

interaction: Read
n. Syn. communication
(взаимодействия) communication; a mutual or reciprocal action; interacting

interest: Read
n. Syn. attention; curiosity; dividend; yield
(интерес) attention; curiosity; dividend; yield

interfere: Read
v. Syn. disrupt; hinder; obstruct
(вмешиваться) disrupt; hinder; be or create a hindrance or obstacle

interference: Read
n. Syn. obstruction; prevention
(вмешательства) obstruction; prevention; act or an instance of hindering, obstructing, or impeding

interior: Read
n. Syn. inside; internal; inner
(интерьер) inside; inner part; internal; inner

intermediate: Read
a.
(промежуточных) middle; lying between two extremes

internal: Read
a. Syn. inside; interior
(внутреннего) inside; interior; located within the limits or surface

interpret: Read
v.
(интерпретации) explain or tell the meaning of; translate orally; decipher

interpretation: Read
n. Syn. explanation
(интерпретации) explanation; performer's distinctive personal version of a song, dance, piece of music

interrupt: Read
v. Syn. impede; discontinue
(прерывания) terminate; make a break in

interval: Read
n. Syn. pause; break
(интервале) pause; break; space between two objects, points, or units

intervene: Read
v.
(вмешательства) get involved; come, appear, or lie between two things

intimate: Read
v. Syn. hint; suggest
(интимные) give to understand; imply as a possibility; make known subtly and indirectly

intrude: Read
v. Syn. trespass
(вторгаться) trespass; enter as an uninvited person

inundate: Read
v. Syn. overwhelm; flood; submerge
(затопления) overwhelm; cover with water, especially floodwaters

invade: Read
v. Syn. intrude; aggress
(вторгнуться) move into; intrude; enter by force in order to conquer or pillage

invader: Read
n. Syn. assailant; encroacher; intruder
(захватчика) one who invades; assailant; encroacher; intruder

invalid: Read
a. Syn. void; null
(недействительными) of no force or weight; not valid; weak; void; null

invalidate: Read
v. Syn. nullify; destroy
(недействительными) make invalid; nullify; destroy

invaluable: Read
a.
(бесценный) valuable under estimation; inestimable; priceless

invariably: Read
ad. Syn. constantly; always
(неизменно) constantly; always

invasion: Read
n. Syn. raid; attack; aggression
(вторжения) raid; attack; act of invading, especially the entrance of an armed force into a territory to conquer

inverse: Read
a. Syn. opposite
(обратная) opposite; reversed in order, nature, or effect; turned upside down

invest: Read
v.
(Инвестиции) put clothe on, as with office or authority; place in possession of rank, dignity, or estate; endow; lay out money or capital in business

investigate: Read
v. Syn. explore; research; survey
(расследования) explore; observe or inquire into in detail; examine systematically

investigation: Read
n. Syn. inquiry
(исследование) detailed inquiry or systematic examination; inquiry

invisible: Read
a.
(невидимым) incapable of being seen; impossible or nearly impossible to see

invoice: Read
n.
(Оплата) bill; commercial document issued by seller to buyer indicating the products, quantities and prices

involve: Read
v.
(привлекать) wind round; connect with something; include necessarily; engage thoroughly

irony: Read
n. Syn. sarcasm; satire
(ирония) expression by deliberate contrast between apparent and intended meaning; witty language used to insult

irregular: Read
a. Syn. piecemeal; inconstant
(нерегулярным) contrary to rule or accepted order or general practice; inconstant

irresistible: Read
a.
(непреодолимое) overwhelming; tempting; charming

irrespective: Read
a.
(независимо) without regard for conditions, circumstances, or consequences; unbiased; independent

irrevocable: Read
a. Syn. unalterable; irreversible
(безотзывной) unalterable; irreversible; impossible to retract or revoke

irrigate: Read
v. Syn. water
(орошение) supply land with water artificially; clean a wound with a fluid

irrigation: Read
n.
(орошение) supplying water to the land to help crops grow

irritate: Read
v. Syn. prickle; annoy; provoke
(раздражать) rouse to impatience or anger; annoy; provoke

isolate: Read
v. Syn. seclude; separate
(изолировать) seclude; set apart or cut off from others

isolation: Read
n. Syn. separation; detachment
(изоляции) separation; detachment; quality or condition of being isolated

issue: Read
n. Syn. subject; topic; problem
(номер) subject; topic; problem; edition; publication; release; publish

item: Read
n.
(пункту) a whole individual unit; a distinct part that can be specified separately in a group

ivory: Read
n.
(слоновой кости) teeth of elephant; pale or grayish yellow to yellowish white