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English
Etymology
From hyper- + acuity.
Noun
hyperacuity (countable and uncountable, plural hyperacuities)
- sensory performance finer than the receptor grain
2009, Encyclopedia of Neuroscience, volume V, Oxford Academic Press:Acuity and hyperacuity are now used as the terms applied to the limits, respectively, of resolution and localization.
References
- Westheimer, G. (1975). Visual acuity and hyperacuity. Investigative Ophthalmology, 14, 570-572