noun acu·ity \ə-ˈkyü-ə-tē, a-\

: the ability to see, hear, or understand something easily

plural acu·ities

Full Definition of ACUITY

:  keenness of perception

Examples of ACUITY

  1. <a worrisome deterioration in the acuity of his hearing over the years>

Origin of ACUITY

Middle English acuite acridity, from Middle French acuité, from Medieval Latin acuitat-, acuitas, from Latin acuere
First Known Use: 1543


noun acu·ity \ə-ˈkyü-ət-ē\   (Medical Dictionary)
plural acu·ities

Medical Definition of ACUITY

:  keenness of sense perception <acuity of hearing>—see visual acuity


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