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acuity - 6 dictionary results

a⋅cu⋅i⋅ty

[uh-kyoo-i-tee]
–noun
sharpness; acuteness; keenness: acuity of vision; acuity of mind.

Origin:
1375–1425; late ME acuite < OF < ML, LL acuitās, equiv. to L acu(ere) to sharpen or acū(tus) sharpened (see acute ) + -itās -ity
a·cu·i·ty   (ə-kyōō'ĭ-tē)   
n.  Acuteness of vision or perception; keenness.

[Middle English acuite, from Old French, ultimately from Latin acūtus, sharp; see acute.]

Acuity

A*cu"i*ty\, n. [LL. acuitas: cf. F. acuit['e].] Sharpness or acuteness, as of a needle, wit, etc.

acuity 
1543, from M.Fr. acuité, from M.L. acuitatem (nom. acuitas) "sharpness," from L. acus "needle," acuere "to sharpen," from PIE base *ak- "rise to a point, be sharp" (see acrid).

Main Entry: acu·ity
Pronunciation: &-'kyü-&t-E
Function: noun
Inflected Form: plural -ities
: keenness of senseperception <acuity of hearing> —see VISUAL ACUITY

acuity a·cu·i·ty (ə-ky&oomacr;'ĭ-tē)
n.
Sharpness, clearness, and distinctness of perception or vision.

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