Definition of Acuity

1. Noun. Sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart).

Exact synonyms: Sharp-sightedness, Visual Acuity
Generic synonyms: Sight, Vision, Visual Modality, Visual Sense
Specialized synonyms: 20/20, Twenty-twenty, Oxyopia
Derivative terms: Sharp-sighted

2. Noun. A quick and penetrating intelligence. "I admired the keenness of his mind"
Exact synonyms: Acuteness, Keenness, Sharpness
Generic synonyms: Intelligence
Specialized synonyms: Steel Trap
Derivative terms: Acute, Keen, Sharp, Sharp

Definition of Acuity

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

Definition of Acuity

1. Noun. Sharpness or acuteness, as of a needle, wit, etc. ¹

¹ Source: wiktionary.com

Definition of Acuity

1. sharpness [n -ITIES] - See also: sharpness

Medical Definition of Acuity

1. The clarity or clearness, especially of the vision or hearing. Origin: L. Acuitas = sharpness (18 Nov 1997)

Lexicographical Neighbors of Acuity

actuose
actuosity
acture
actures
acturience
actus rei
actus reus
acuate
acuated
acuates
acuating
acuation
acuities
acuition
acuity (current term)
aculea
aculeacin A acylase
aculeate
aculeated
aculei
aculeiform
aculeolate
aculeous
aculeus
acultural
aculturally
acumen
acumens
acuminate

Literary usage of Acuity

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Psychology of Musical Talent by Carl Emil Seashore (1919)
"acuity OF HEARING Physiological and mental aspects. There are two aspects of acuity of hearing, the physical and the mental. Ordinarily defective acuity is ..."

2. Ophthalmic Jurisprudence: A Reprint from the American Encyclopedia of by Thomas Hall Shastid (1916)
"Economically, however, an individual is blind when the acuity has become so low ... Scientifically, the acuity equals a hundred per cent. only in case the ..."

3. Manual of Mental and Physical Tests: A Book of Directions Compiled with by Guy Montrose Whipple (1914)
"This test, like that of visual acuity, is primarily conducted for hygienic ... We may distinguish between simple acuity tests, which are designed merely to ..."

4. Monographic Medicine by William Robie Patten Emerson, Guido Guerrini, William Brown, Wendell Christopher Phillips, John Whitridge Williams, John Appleton Swett, Hans Günther, Mario Mariotti, Hugh Grant Rowell (1916)
"(a) Auditory acuity In more exact tests of the hearing capacity, ... Should they not be audible at a distance of 6 meters, auditory acuity is certainly ..."

5. Visual Economics, with Rules for Estimation of the Earning Ability After by Hugo Magnus (1902)
"Disorders of the Visual Fields Complicated by Injury to the Central Visual acuity of Different Degrees in Either Eye. Let us take another example; ..."

6. Light's Labour's Lost: Policies for Energy-Efficient Lighting by International Energy Agency (2006)
"A well-known relative visual acuity test is the standard eye test used by ... The visual acuity score is based on the number of mistakes recorded as the ..."

7. A Text-book of Experimental Psychology: With Laboratory Exercises by Charles Samuel Myers (1911)
"... EXERCISES ON CHAPTER XVIII Sensibility and Sensory acuity VISUAL acuity. Exp. 1n. The determination is best made out of doors on ..."

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