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PTE Word List for Academic (N O)

namely: Read
(即,就是,换句话说) by name; by particular mention; expressly; that is to say

narcotic: Read
(麻醉的,催眠的) addictive drug, such as opium, that reduces pain, alters mood and behavior; inducing sleep

narrative: Read
n. Syn. story
(解说的) story; art, technique, or process of telling story

natal: Read
(出生的,诞生的) of one's birth; accompanying or dating from one's birth; native

nausea: Read
(作呕,恶心) feeling of sickness in stomach by an urge to vomit; strong aversion; disgust

nautical: Read
a. Syn. marine; maritime; naval
(航海的) relating to ships, sailors, or navigation

naval: Read
a. Syn. maritime
(海军的,军舰的) relating to, or adjacent to the sea; relating to marine shipping or navigation

navigable: Read
(可以通航的) wide and deep enough to allow ships to pass through; able to be steered

navigation: Read
(航海) guidance of ships or airplanes from place to place

necessitate: Read
(使需要,使成为必需) make necessary or indispensable; render unavoidable

negate: Read
v. Syn. nullify; deny
(拒绝,否定,取消) cancel out; make ineffective or invalid; deny

negation: Read
(取消) act of denying; assertion of the nonrealistic or untruthfulness of anything

neglect: Read
v. Syn. disregard; ignore
(疏忽,忘记) disregard; ignore; pay little or no attention to

negligence: Read
n. Syn. neglect
(疏忽,没能尽力的) neglect; failure to take reasonable care; state or quality of being negligent

negligible: Read
a. Syn. insignificant; tiny
(可忽略不计的) so small, trifling, or unimportant that it may be easily disregarded

negotiable: Read
(可商量的,(支票)可兑现的) capable of being negotiated; transferable by assignment or endorsement to another person

neurotic: Read
a. Syn. nervous
(神经病患者) of or pertaining to the nerves; seated in the nerves; nervous

neutral: Read
a. Syn. impartial
(自然的,中庸的,公允的) impartial; not supporting one side over another

neutralize: Read
v. Syn. offset; counterbalance
(抵消,中和) make neutral and thus inoffensive

nevertheless: Read
(尽管如此,不过,可是,然而) not the less; notwithstanding; in spite of that; yet

nibble: Read
(一点点地咬,慢慢啃) bite by little at a time; seize gently with the mouth; eat slowly or in small bits

nicety: Read
n. Syn. precision
(准确,精密) precision; subtle difference in meaning, opinion, or attitude

nil: Read
(无,零,(运动中)零分) nothing; of no account; worthless; zero

nitrogen: Read
(氮) colorless nonmetallic element, tasteless and odorless, comprising four fifths of the atmosphere by volume

nobility: Read
(贵族,高贵的身份,高贵) quality or state of being noble; superiority of mind or of character; commanding excellence; eminence

nominal: Read
(名存实亡的,名义上的) in name only; insignificantly small

nominate: Read
v. Syn. designate; appoint
(提名,任命) designate; appoint

nominee: Read
n. Syn. appointee; candidate
(被提名的人,被任命者) appointee; candidate

nonetheless: Read
(虽然如此,但是) anyway; however

norm: Read
n. Syn. convention; standard; rule
(标准,规范) convention; standard; rule

nostalgia: Read
n. Syn. homesickness
(想家,乡愁) homesickness; bittersweet longing for things of past.

notable: Read
a. Syn. conspicuous; distinguished
(显著的,值得注意的) worthy of note or notice; remarkable; important

notary: Read
(公证人) one who records what is said or done; one legally empowered to witness signatures and certify a document's validity

notation: Read
(符号,记号) technical system of symbols used to represent special things; comment or instruction

notch: Read
(刻痕,切口,槽口) small cut; V-shaped or U-shaped indentation carved or scratched into a surface

notify: Read
v. Syn. declare; publish
(通知) make known; give notice to; inform by notice

notorious: Read
a. Syn. disreputable; infamous
(臭名昭著的,声名狼藉的) disreputable; known widely and usually unfavorably; infamous

notwithstanding: Read
(尽管,虽然,可是,然而) nevertheless; in spite of; despite anything to the contrary

nought: Read
n. Syn. naught
(零,不存在) nonexistence; nothingness; zero

nourish: Read
v. Syn. feed; nurture
(养育,滋养) provide with nourishment; provide with food or other substances necessary for life and growth

nourishment: Read
(营养品) a source of materials to nourish the body

novelty: Read
n. Syn. newness; innovation
(新奇) quality of being novel; newness; something new and unusual

novice: Read
n. Syn. beginner
(新手) beginner; person new to a field or activity

noxious: Read
a. Syn. harmful
(有害的) harmful to living things; injurious to health

nuance: Read
n. Syn. gradation; shade
(细微差别) subtle or slight degree of difference; small difference in meaning

nucleus: Read
n. Syn. hub; core
(核子,核心) central or essential part around which other parts are gathered or grouped; core

nuisance: Read
(讨厌的人,讨厌的事) something that annoys or gives trouble and vexation; something that is offensive or noxious

null: Read
a. Syn. invalid; void; nullified
(无效的,无价值的,等于零的) invalid; void; nullified; having no legal force; invalid

nullify: Read
(使无效) make invalid; make null; invalidate; counteract force or effectiveness of

numb: Read
a. Syn. insensible; indifferent
(麻木的,使失去感觉) without the power of sensation and motion or feeling; insensible; unresponsive; indifferent

numerate: Read
(枚举,列举,记数) enumerate; count; read according to the rules of numeration

numerical: Read
(数字的,表示数字的) belonging to number; denoting number; consisting in numbers; expressed by numbers, and not letters

numerous: Read
a. Syn. many; various
(众多的,很多的) many; various; amounting to a large indefinite number

nurture: Read
v. Syn. nourish; educate; foster
(养育,教育) nourish; help grow or develop; foster

nylon: Read
(尼龙) any of a family of high-strength, resilient synthetic polymers

oar: Read
(橹,桨,划(船)) long, thin, usually wooden pole with a blade at one end, used to row or steer a boat

oasis: Read
(绿州) fertile or green spot in a waste or desert

obedient: Read
(服从的,顺从的) subject in will or act to authority; willing to obey; submissive to restraint, control, or command

obligatory: Read
a. Syn. required
(必须的) morally or legally constraining; required; binding

oblige: Read
v. Syn. force; compel; coerce
(迫使,责成) force; bind by an obligation; cause to be indebted; do a service or favor for

obliging: Read
(恳切的,热心助人的) happy and ready to do favors for others

oblique: Read
a. Syn. inclined
(间接的,倾斜的,无诚意的) having slanting or sloping direction, course, or position; inclined

oblivious: Read
a. Syn. forgetful
(遗忘的,出神的) inattentive or unmindful; lacking all memory; forgetful

oblong: Read
(长方形的) having greater length than breadth, especially when rectangular

obscene: Read
(淫秽的) offensive to accepted standards of decency or modesty; repulsive; disgusting

obscure: Read
v. Syn. darken; hide; block
(使暗淡,使模糊,隐藏) darken; make dim or indistinct; conceal in obscurity

observance: Read
(遵守,奉行(法律,习俗)) act or practice of observing or noticing with attention; an act, ceremony, or rite, as of worship or respect

observatory: Read
(天文台,气象台) place or building for making observations on the heavenly bodies; building fitted with instruments for making systematic observations of space

obsess: Read
v. Syn. besiege
(纠缠,困扰) preoccupy the mind of excessively; besiege; compass about; dominate the thoughts of someone

obsolete: Read
a. Syn. outmoded; antiquated
(过时的,无用的) no longer useful; outmoded; antiquated

obstinate: Read
a. Syn. stubborn
(坚定的,倔强的) stubbornly adhering to an attitude or opinion; hard to control or treat

obstruct: Read
v. Syn. stop; impede
(阻塞(道路,通道等),妨碍,阻挠) stop; impede; shut out from view

obtain: Read
v. Syn. acquire; get; procure; derive
(得到) get hold of; gain possession of; acquire, in any way

occupy: Read
v. Syn. inhabit
(居住) inhabit; live in a certain place; be present in; be inside of

occurrence: Read
n. Syn. incidence; event; happening
(事件,发生) an event that happens

odour: Read
a. Syn. odor
(气味,香味) any smell, whether fragrant or offensive; scent; perfume

odyssey: Read
(长期的冒险旅行) long, eventful journey; extended adventurous voyage or trip

offence: Read
(冒犯) act of causing anger, resentment, displeasure, or affront; violation or infraction of moral or social code

offend: Read
(做错事,犯罪,使人不快,伤感情) strike against; attack; assail; make angry; affront

offhand: Read
(草率的,即席的,未经考虑的) without planning or thinking ahead; right away; immediately

offset: Read
(抵销,补偿) counterbalance, counteract, or compensate for; balance

offshore: Read
(离岸的,海面上的) at some distance from the shore

offspring: Read
n. Syn. descendant
(子孙,后代) descendant

omen: Read
(征兆,预兆) any indication or action regarded as a foreshowing; phenomenon supposed to portend good or evil

ominous: Read
a. Syn. threatening
(有威胁的,恶兆的) threatening; foreshadowing evil or tragic developments

omit: Read
v. Syn. bypass; neglect
(省略,省去,忽略) leave undone or leave out ; bypass; neglect; fail to include or mention

oncoming: Read
(接近,靠近) coming nearer; approaching

ongoing: Read
(正在进行中的,前进的) continuous; existing

onlooker: Read
(旁观者) one that looks on; spectator

onset: Read
n. Syn. start; assault
(开始,发作,攻击) beginning or early stages; offensive against enemy

opaque: Read
a. Syn. nontransparent; obscure
(暗的,不透明的) impenetrable by light; not transparent; not reflecting light; having no luster

opponent: Read
n. Syn. antagonist; adversary
(对手,反对者) contestant; someone who offers opposition ; adverse; hostile; opposing

oppose: Read
(反对,反抗,对抗) place in front of, or over against; set opposite; exhibit; confront; resist; withstand

opt: Read
(决定做,选择,选取) make a choice or decision; choose; select

optical: Read
(视觉的,光学的) of or relating to or involving light or optics

optimism: Read
(乐观主义) tendency to expect the best possible outcome; belief that the universe is improving and good will win over evil

optimum: Read
a. Syn. best
(最优的) most favorable or advantageous

optional: Read
(可选的) not obligatory; left to choice; not compulsory or automatic

orbit: Read
n. Syn. path; circle
(轨道) path; circle; move in an orbit; encircle

orchard: Read
n. Syn. garden
(果园) garden; area of land devoted to the cultivation of fruit or nut trees

orchestra: Read
n. Syn. band
(管弦乐队) band

ordeal: Read
n. Syn. trial
(严酷的考验,折磨) severe trial; form of trial to determine guilt or innocence; difficult or painful experience

orderly: Read
(有秩序的,有顺序的,有条理的) conformed to order; in order; regular; well-regulated

ore: Read
n. Syn. mineral
(矿石) mineral that contains metal that is valuable enough to be mined

organ: Read
(器官,机关,机构) natural part or structure in animal or plant, capable of performing some special action

organism: Read
(生物,有机物) living being; system considered analogous in structure or function to a living body

orient: Read
v. Syn. direct; guide; lead
(确定方向,校准) focus toward; determine position with reference to another point; locate to face the east

oriental: Read
(亚洲的,东方的) of or relating to the countries of the orient or their peoples or cultures; eastern

orientate: Read
(向东方,东方化) place or turn toward the east; cause to assume an easterly direction, or to veer eastward

origin: Read
(起源,开端,出身) the first existence or beginning of anything; birth; fountain

originate: Read
v. Syn. initiate; invent; begin
(发生,发起,创办) initiate; invent; bring into being; create

ornament: Read
n. Syn. decoration; adornment
(装饰,装饰物) decoration; something used to beautify

orthodox: Read
a. Syn. traditional
(传统的,保守的) traditional; conservative in belief; adhering to established faith, especially in religion

oscillate: Read
v. Syn. waver
(振荡) swing back and forth with a steady, uninterrupted rhythm; vibrate pendulum like; waver

ostensible: Read
a. Syn. apparent
(显然的,虚假的) put forth or held out as real, actual, or intended; proper or intended to be shown

ostentation: Read
(夸示,炫耀) making ambitious display; unnecessary show; pretentious parade

oust: Read
v. Syn. expel; eject
(剥夺,驱逐) expel; eject from a position or place; force out

outbreak: Read
n. Syn. beginning; eruption; explosion
(发作,爆发) beginning; eruption; explosion

outcast: Read
(被逐出的(人),被遗弃的(人)) cast out; degraded; excluded from a society

outcome: Read
n. Syn. result; effect
(成果,后果) result; end or consequence; result of a random trial

outcry: Read
n. Syn. protest; shout
(大声疾呼,强烈抗议) strong protest or objection; loud cry or clamor

outdated: Read
a. Syn. old; outmoded; antiquated
(过时的,不流行的) old; old-fashioned; antiquated; out of date

outdo: Read
(优于,胜过) go beyond in performance; excel; surpass.

outlaw: Read
(罪犯,歹徒) person excluded from the benefit of the law, or deprived of its protection; fugitive from the law; habitual criminal

outlet: Read
n. Syn. channel
(出口,出路,销路,发泄,排遣) an opening that permits escape or release; activity that releases creative energy or emotion

outline: Read
(外形,轮廓,提纲,要点) line that appears to bound an object; shape of an object or figure; summary of a written work or speech

outlying: Read
a. Syn. remote; distant
(边远的,偏僻的) relatively distant or remote from a center or middle

output: Read
n. Syn. production; product
(输出,产品,生产量) act or process of producing; production; amount produced during a certain time

outright: Read
ad. Syn. altogether; entirely
(彻底地,完全地) altogether; entirely; without reservation or exception

outset: Read
(开始,开头) beginning; start; origin; time at which something is supposed to begin

outskirt: Read
n. Syn. fringe
(城市郊区,边缘) part or region remote from a central district, as of a city or town; fringe; outer border

outspoken: Read
a. Syn. blunt; candid; frank; direct
(坦率直言的) given to expressing yourself freely or insistently

outstrip: Read
v. Syn. surpass; excel
(超过) exceed or surpass; leave behind

outweigh: Read
v. Syn. surpass; exceed
(更重要,超过) go beyond; surpass; exceed

oval: Read
a. Syn. elliptic
(椭圆形) elliptic; rounded like an egg

ovation: Read
(热情洋溢的喝彩) enthusiastic, prolonged applause; show of public homage or welcome

overall: Read
a. Syn. general; comprehensive
(全部的,全面的) general; comprehensive; from one end to the other; including everything

overdue: Read
a. Syn. late; delayed
(迟到的,过期的) past due; not paid at the scheduled time; late; delayed

overflow: Read
(使溢出,使泛滥,充满,洋溢) flow over; cover with, or as with, water or other fluid; spread over; flow over the brim of

overhaul: Read
v. Syn. restore; repair
(彻底检查,大修) examine or go over carefully for needed repairs; make extensive renovations or revisions on; renovate

overhear: Read
(无意中听到,从旁听到) hear more of anything than was intended to be heard; hear again

overlap: Read
(部分重叠,交搭,迭盖) representation of common ground between two things; extend over and cover a part of

overlook: Read
v. Syn. ignore; disregard
(忽略,没注意到) ignore; disregard; fail to notice ; watch over

override: Read
(不理会,推翻) ride over or across; ride upon; trample down.

overrun: Read
(蔓延,侵占,超过,超出) run or extend beyond normal or desired limit; overflow

overseas: Read
(向海外,在海外,在国外) beyond or across the sea; abroad

oversee: Read
(监督) supervise; manage; watch over and direct; examine or inspect

overt: Read
(明显的,公然的) open to view; not secret or hidden

overtake: Read
(赶上,超过) come up with in a course, pursuit, progress, or motion; catch up with; come upon from behind; capture; overcome

overthrow: Read
(推翻,颠覆,瓦解,灭亡) throw over; overturn; upset; turn upside down; cause to fall or to fail

overture: Read
(前奏曲,序曲) an opening or aperture; recess; introductory section or part, as of a poem

overwhelm: Read
(泛滥,压倒) defeat; cover completely or make imperceptible; overcome by superior force ; charge someone with too many tasks

overwrought: Read
(歇斯底里的) extremely disturbed from emotion

ownership: Read
(所有权,所有制,主权) having and controlling property

oxide: Read
(氧化物) any compound of oxygen with another element; a binary chemical compound of oxygen