ACUITY

acuteness, acuity, sharpness, keenness

(noun) a quick and penetrating intelligence; “he argued with great acuteness”; “I admired the keenness of his mind”

acuity, visual acuity, sharp-sightedness

(noun) sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)

Source: WordNet® 3.1

Etymology

Noun

acuity (plural acuities)

Sharpness or acuteness, as of a needle, wit, etc.

Source: Wiktionary

A*cu"i*ty, n. Etym: [LL. acuitas: cf. F. acuité.]

Definition: Sharpness or acuteness, as of a needle, wit, etc.

Source: Webster’s Unabridged Dictionary 1913 Edition

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