non-visualadj.
/nɒnˈvɪʒʊ(ə)l/, /nɒnˈvɪzjʊ(ə)l/, /nɒnˈvɪʒ(ᵿ)l/, /nɒnˈvɪzj(ᵿ)l/, U.S. /nɑnˈvɪʒ(ə)w(ə)l/, /nɑnˈvɪʒ(ə)l/ Not visual; not relating to or dependent on vision or sight.
ΚΠ
1866 Philos. Trans. (Royal Soc.) 156 6 There seems..to exist one special rate at which the atoms of heated solids oscillate with greater energy than at any other rate—a non-visual period, which lies about as far from the extreme red of the spectrum on the invisible side as the commencement of the green on the visible one.
1890 W. James Princ. Psychol. II. xx. 212 Berkeley..concluded that distance could not possibly be a visual sensation, but must be an intellectual ‘suggestion’ from ‘custom’ of some non-visual experience.
1931 Science 6 Mar. 250/1 In this habit the visual cortex has some non-visual function.
1971 J. Z. Young Introd. Study Man xxx. 421 Some lemurs have scent-glands on the fore-limbs; these are common among non-visual mammals.
1992 E. Yourdon Decline & Fall Amer. Programmer 46 Comments like <grin>, <chuckle>, and <snicker> are part of conversational protocol used by CompuServe subscribers to deal with the nonvisual nature of electronic mail.
This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).
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adj.1866