单词 | acuity |
释义 | acuity (once / 42062 pages) n Acuity has to do with sharpness and smartness. Do you always get A's in math? Then you have an acuity for numbers. People often talk about "mental acuity," which is a fancy way of saying intelligence, brains, or smartness. There are specific kinds of acuity, too. As people become very old, they tend to lose their acuity in many areas, including their vision, which is one reason very old people don't drive as well. A 40-year-old quarterback isn't going to have the same acuity for seeing receivers and throwing the ball as a 25-year-old quarterback. WORD FAMILYacuity: acuities USAGE EXAMPLESEven the thickest toddler shows much greater inferential acuity. New York Times(Dec 14, 2016) She hypothesized that deaf players’ disadvantage in not being able to hear their opponents hit the ball can be compensated for by increased visual acuity. New York Times(Nov 22, 2016) It is about six months later, and she feels that she has nearly entirely recovered her mental acuity. Seattle Times(Nov 20, 2016) 1n sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart) Syn|Hypo|Hyper sharp-sightedness, visual acuity sight, vision, visual modality, visual sense the ability to see; the visual faculty 2n a quick and penetrating intelligence Syn|Hypo|Hyper acuteness, keenness, sharpness steel trap an acute intelligence (an analogy based on the well-known sharpness of steel traps) intelligence the ability to comprehend; to understand and profit from experience |
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