hyperacuity

noun
hy·​per·​acu·​i·​ty | \ ˌhī-pər-ə-ˈkyü-ə-tē How to pronounce hyperacuity (audio) , -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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Cite this Entry

“Hyperacuity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyperacuity. Accessed 5 Dec. 2020.

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More Definitions for hyperacuity

hyperacuity

noun
hy·​per·​acu·​ity | \ ˌhī-pə-rə-ˈkyü-ət-ē How to pronounce hyperacuity (audio) \
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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