英语词汇“ascertain”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

Ascertain is a verb that means to find out something. You might have to go to the bank to ascertain if there is any money in your account.

This is a formal word that often applies to discovering the facts or truth about something through examination or experimentation. Information that is ascertained is certain beyond a doubt. If you want a less formal synonym, use discover.

WORD FAMILY

ascertain: ascertainable, ascertained, ascertaining, ascertains+/ascertainable: ascertainably, unascertainable

USAGE EXAMPLES

It was difficult to ascertain what online commentary was permitted.

Seattle Times(Dec 28, 2016)

We now ascertain that the observable universe exceeds 90 billion light-years across.

New York Times(Dec 26, 2016)

Writing for the majority, Justice Mary Fairhurst noted that “mental-health professionals face an incredibly difficult task in ascertaining whether a patient will act violently.”

Seattle Times(Dec 24, 2016)

1v learn or discover with certainty

Hypo|Hyper

price

ascertain or learn the price of

discover, find out, get a line, get wind, get word, hear, learn, pick up, see

get to know or become aware of, usually accidentally

2v establish after a calculation, investigation, experiment, survey, or study

Syn|Hypo

determine, find, find out
check, determine, find out, learn, see, watch

find out, learn, or determine with certainty, usually by making an inquiry or other effort

discover, find

make a discovery, make a new finding

gauge

determine the capacity, volume, or contents of by measurement and calculation

translate

determine the amino-acid sequence of a protein during its synthesis by using information on the messenger RNA

rectify

math: determine the length of

redetermine

fix, find, or establish again

sequence

determine the order of constituents in

refract

determine the refracting power of (a lens)

count, enumerate, number, numerate

determine the number or amount of

admeasure

determine the quantity of someone's share

locate, situate

determine or indicate the place, site, or limits of, as if by an instrument or by a survey

recount

count again

miscount

count wrongly

census

conduct a census

add, add together, add up, sum, sum up, summate, tally, tot, tot up, total, tote up

determine the sum of

acquire

locate (a moving entity) by means of a tracking system such as radar

radiolocate

locate by means of radar

map

locate within a specific region of a chromosome in relation to known DNA or gene sequences

localise, localize, place

identify the location or place of

base

situate as a center of operations

3v find out, learn, or determine with certainty, usually by making an inquiry or other effort

Syn|Hypo

check, determine, find out, learn, see, watch
assure, check, control, ensure, insure, see, see to it

be careful or certain to do something; make certain of something

determine, find, find out

establish after a calculation, investigation, experiment, survey, or study

test

determine the presence or properties of (a substance)

4v be careful or certain to do something; make certain of something

Syn|Hypo|Hyper

assure, check, control, ensure, insure, see, see to it
check, check off, mark, mark off, tick, tick off

put a check mark on or near or next to

check

verify by consulting a source or authority

check, determine, find out, learn, see, watch

find out, learn, or determine with certainty, usually by making an inquiry or other effort

control, verify

check or regulate (a scientific experiment) by conducting a parallel experiment or comparing with another standard

proof, proofread

read for errors

control

verify by using a duplicate register for comparison

double-check

check once more to be absolutely sure

cross-check

check out conflicting sources; crosscheck facts, for example

cinch

make sure of

card

ask someone for identification to determine whether he or she is old enough to consume liquor

spot-check

pick out random samples for examination in order to ensure high quality

cover

maintain a check on; especially by patrolling

verify

confirm the truth of

单词	ascertain
释义	ascertain (once / 228 pages) v Ascertain is a verb that means to find out something. You might have to go to the bank to ascertain if there is any money in your account. This is a formal word that often applies to discovering the facts or truth about something through examination or experimentation. Information that is ascertained is certain beyond a doubt. If you want a less formal synonym, use discover. WORD FAMILY ascertain: ascertainable, ascertained, ascertaining, ascertains+/ascertainable: ascertainably, unascertainable USAGE EXAMPLES It was difficult to ascertain what online commentary was permitted. Seattle Times(Dec 28, 2016) We now ascertain that the observable universe exceeds 90 billion light-years across. New York Times(Dec 26, 2016) Writing for the majority, Justice Mary Fairhurst noted that “mental-health professionals face an incredibly difficult task in ascertaining whether a patient will act violently.” Seattle Times(Dec 24, 2016) 1v learn or discover with certainty Hypo\|Hyper price ascertain or learn the price of discover, find out, get a line, get wind, get word, hear, learn, pick up, see get to know or become aware of, usually accidentally 2v establish after a calculation, investigation, experiment, survey, or study Syn\|Hypo determine, find, find out check, determine, find out, learn, see, watch find out, learn, or determine with certainty, usually by making an inquiry or other effort discover, find make a discovery, make a new finding gauge determine the capacity, volume, or contents of by measurement and calculation translate determine the amino-acid sequence of a protein during its synthesis by using information on the messenger RNA rectify math: determine the length of redetermine fix, find, or establish again sequence determine the order of constituents in refract determine the refracting power of (a lens) count, enumerate, number, numerate determine the number or amount of admeasure determine the quantity of someone's share locate, situate determine or indicate the place, site, or limits of, as if by an instrument or by a survey recount count again miscount count wrongly census conduct a census add, add together, add up, sum, sum up, summate, tally, tot, tot up, total, tote up determine the sum of acquire locate (a moving entity) by means of a tracking system such as radar radiolocate locate by means of radar map locate within a specific region of a chromosome in relation to known DNA or gene sequences localise, localize, place identify the location or place of base situate as a center of operations 3v find out, learn, or determine with certainty, usually by making an inquiry or other effort Syn\|Hypo check, determine, find out, learn, see, watch assure, check, control, ensure, insure, see, see to it be careful or certain to do something; make certain of something determine, find, find out establish after a calculation, investigation, experiment, survey, or study test determine the presence or properties of (a substance) 4v be careful or certain to do something; make certain of something Syn\|Hypo\|Hyper assure, check, control, ensure, insure, see, see to it check, check off, mark, mark off, tick, tick off put a check mark on or near or next to check verify by consulting a source or authority check, determine, find out, learn, see, watch find out, learn, or determine with certainty, usually by making an inquiry or other effort control, verify check or regulate (a scientific experiment) by conducting a parallel experiment or comparing with another standard proof, proofread read for errors control verify by using a duplicate register for comparison double-check check once more to be absolutely sure cross-check check out conflicting sources; crosscheck facts, for example cinch make sure of card ask someone for identification to determine whether he or she is old enough to consume liquor spot-check pick out random samples for examination in order to ensure high quality cover maintain a check on; especially by patrolling verify confirm the truth of
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