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adjective
1.
strictly accurate or correct: an exact likeness; an exact description.
2.
precise, as opposed to approximate: the exact sum; the exact date.
3.
admitting of no deviation, as laws or discipline; strict or rigorous.
4.
capable of the greatest precision: exact instruments.
5.
EXPANDcharacterized by or using strict accuracy: an exact thinker.
6.
COLLAPSEMathematics. (of a differential equation) noting that the collection of all terms, equated to zero, is an exact differential.
verb (used with object)
7.
to call for, demand, or require: to exact respect from one's children.
8.
to force or compel the payment, yielding, or performance of: to exact money; to exact tribute from a conquered people.
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Exact
is always a great word to know.
So is function. Does it mean:
| a set of elements capable of being completely counted and not zero |
| a relation between two sets in which one element of the second set is assigned to each element of the first set, the operator |
Origin:
1400–50; late Middle English exacten (v.) < Latin exāctus (past participle of exigere drive out, thrust out), equivalent to ex- ex-1 + ag(ere) to drive + -tus past participle suffix
1400–50; late Middle English exacten (v.) < Latin exāctus (past participle of exigere drive out, thrust out), equivalent to ex- ex-1 + ag(ere) to drive + -tus past participle suffix
Related forms
ex·act·a·ble, adjective
ex·act·er, ex·ac·tor, noun
ex·act·ness, noun
non·ex·act·a·ble, adjective
pre·ex·act, adjective, verb (used with object)
EXPANDSynonyms
3. rigid, severe, unbending. 5. methodical, careful, punctilious, demanding, scrupulous. 8. wring. See extract.
3. rigid, severe, unbending. 5. methodical, careful, punctilious, demanding, scrupulous. 8. wring. See extract.
Antonyms
1, 2. imprecise.
1, 2. imprecise.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To EXACT
Example Sentences
- But predators that eat the less toxic frogs learn to only avoid that species and its exact mimics.
- Teasing out the exact mechanism that would allow a planet to get so large is now work for theoreticians, the astronomers say.
- And an antibody probe for, say, anthrax needs to make a match with the exact strain of the specific bacterium it is targeting.
Collins
World English Dictionary
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History
exact
"precise, rigorous, accurate," 1530s, from L. exactus, pp. of exigere, lit. "to drive or force out," also "demand, finish, measure," from ex- "out" + agere "drive, lead, act" (see act). The verb (late 14c., implied in exaction) is older in English and represents the literal
EXPAND sense of the Latin. Related: Exacted.
COLLAPSE
Online Etymology Dictionary, © 2010 Douglas Harper
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