Useful Word of the Day 2021

An online resource to enrich English vocabulary, its words are selected from news, TV, and the Internet, you can study with flexible review patterns.
 Word of the Day
The team figured out a set of algorithms that allowed them to extrapolate back from images of the sample, which look somewhat like a set of stacked layers. - MIT News
New word picture
extrapolate   Speak
v.  extend the application to an unknown situation by assuming that existing trends will continue

algorithm   Speak
n.  a process or set of rules to be followed in calculations or other problem
Added on: 2021-02-27
 Review ListLatest 30 Words   Latest 100 Words  
30 Words list: 2021-02-25, 2021-01-07
hexagonal   Speak
a. having a shape with six straight sides
boron   Speak
n. the chemical element of atomic number 5, a nonmetallic solid
Pairs of two-dimensional materials such as hexagonal boron nitride can exhibit amazing variations when the two sheets are just slightly twisted relative to each other.
olfactory   Speak
a. relating to the sense of smell
canine   Speak
a. relating to or resembling a dog or dogs
Scientists have been hunting for ways of automating the amazing olfactory capabilities of the canine nose and brain, in a compact device.
come up with   Speak
v. produce something, especially when pressured or challenge
microbial   Speak
a. relating to a microorganism, especially a bacterium causing disease
A team has come up with a system that can detect the chemical and microbial content of an air sample with even greater sensitivity than a dog's nose.
exacerbate   Speak
v. make (a problem, bad situation, or negative feeling) worse
disseminate   Speak
v. spread (something, especially information) widely
Media misinformation is a longstanding phenomenon, but, exacerbated by the ease of disseminating content online, it’s become a crucial issue of our time.
provocative   Speak
v. causing annoyance, anger, or another strong reaction, especially deliberately
contingency   Speak
n. a future event or circumstance which is possible but cannot be predicted with certainty
This provocative website showcases a complete deepfake of U.S. President Nixon delivering the contingency speech written in 1969.
cull   Speak
v. kill the weaker or selective animals in a group in order to reduce their numbers
mutate   Speak
v. change or cause to change in form or nature
In November 2020, millions of mink in Denmark were culled after they became infected with Covid-19 and passed a mutated form back to humans.
hypothesis   Speak
n. a supposition made on the basis of limited evidence as a starting point for further investigation
herd immunity   Speak
n. a form of indirect protection from infectious disease that can occur when a high percentage of people has become immune to it
The data support the hypothesis that the virus originated in mainland Southeast Asia; this suggests that the populations there may be benefiting from a level of herd immunity.
moratorium   Speak
n. a temporary prohibition of an activity
eviction   Speak
n. the action of expelling someone, especially a tenant, from a property
The CDC on Friday extended a moratorium on tenant evictions related to a failure to make rent or housing payments.
dovish   Speak
a. not aggressive, peaceful
headwind   Speak
n. a force or influence opposing forward motion; a wind blowing from directly in front
He said that while it is possible the Federal Reserve may turn more dovish at its March, April, and June meetings, there are headwinds.
laud   Speak
v. praise highly, especially in a public context
misstep   Speak
v. a clumsy or badly judged step
Through TV shows and social media campaigns, the government is lauding nurses and doctors, but any criticism of early missteps is silenced.
deflect   Speak
v. cause (something) to change direction by interposing something; turn aside from a straight course
weave a story   Speak
v. invent a complicated story
The government has sought to control the narrative and deflect blame for the pandemic’s origins, which has weaved a story of triumph against the virus.
precocious   Speak
a. (of a child) having developed certain abilities at an earlier age than usual
motor   Speak
n. a source of power, energy, or motive force
stark   Speak
a. severe or bare in appearance or outline
Leon is a precocious kid, which provides the motor for the novel as his innocence stands in stark contrast to the evil of the old man he converses with.
wind up   Speak
v. come to be in a particular situation or condition, especially a bad one
hope against hope   Speak
v. hope very strongly that something will happen, although you know it is not likely
Leon winds up hiding in one of the secret rooms, surviving along with other children, waiting, hoping against hope that his mother will be released from prison.
strain   Speak
n. a severe or excessive demand on the strength, resources, or abilities of someone or something
vaccinate   Speak
v. treat with a vaccine to produce immunity against a disease
The NHS is under severe strain and we must take action to protect it, both so doctors can continue to save lives and so they can vaccinate as many people as possible.
in a bid   Speak
ad. in an attempt