hyperacuity

noun
hy·per·acu·i·ty | \ˌhī-pər-ə-ˈkyü-ə-tē, -a-\
variants: or hyper-acuity

Definition of hyperacuity 

: greater than normal acuteness of a sense Her anarchy is perfectly balanced with her hyperacuity about tone and timbre and atmosphere and drift.— Charles Baxter especially : visual acuity that is better than twenty-twenty

First Known Use of hyperacuity

1887, in the meaning defined above

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The first known use of hyperacuity was in 1887

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More Definitions for hyperacuity

hyperacuity

noun
hy·per·acu·ity | \ˌhī-pə-rə-ˈkyü-ət-ē \
plural hyperacuities

Medical Definition of hyperacuity 

: greater than normal acuteness especially of a sense specifically : visual acuity that is better than twenty-twenty — compare grating acuity, stereoacuity, vernier acuity

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