nyctalopia

[ nik-tl-oh-pee-uh ]

/ ˌnɪk tlˈoʊ pi ə /

noun Ophthalmology.

night blindness.

hemeralopia.

Origin of nyctalopia

1675–85; <Late Latin nyctalōpia<Greek nykt-nyct- + al(aós) blind + -ōpia-opia

OTHER WORDS FROM nyctalopia

nyc·ta·lop·ic

[nik-tl-op-ik], /ˌnɪk tlˈɒp ɪk/, adjective

Words nearby nyctalopia

nyckelharpa, NYCSCE, nyct-, nyctaginaceous, nyctalgia, nyctalopia, nyctanthous, nycterine, nycterohemeral, nyctinasty, nyctitropic

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for nyctalopia

His nyctalopia was a great advantage, his cat-like sight enabling him to distinguish the smallest object in the deepest gloom.
In Search of the Castaways|Jules Verne
Nyctalopia, so frequently encountered, must be regarded as a circulatory symptom rather than as one of nervous origin.
Scurvy Past and Present|Alfred Fabian Hess
Government, offer to it, to discover the remedy for nyctalopia, 335.
An Account of Timbuctoo and Housa Territories in the Interior of Africa|Abd Salam Shabeeny

British Dictionary definitions for nyctalopia

nyctalopia

/ (ˌnɪktəˈləʊpɪə) /

noun

inability to see normally in dim lightNontechnical name: night blindness Compare hemeralopia

Word Origin for nyctalopia

C17: via Late Latin from Greek nuktálōps, from nux night + alaos blind + ōps eye

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for nyctalopia

nyctalopia

[ nĭk′tə-lō′pē-ə ]

n.

A condition of the eyes in which vision is normal in daylight or other strong light but is abnormally weak or completely lost at night or in dim light and that results from vitamin A deficiency, disease, or hereditary factors.night blindness

Other words from nyctalopia

nyc′ta•lo′pic (-lō′pĭk, -lŏp′ĭk) adj.

单词	nyctalopia
释义	nyctalopia [ nik-tl-oh-pee-uh ] / ˌnɪk tlˈoʊ pi ə / noun Ophthalmology. night blindness. hemeralopia. Origin of nyctalopia 1675–85; <Late Latin nyctalōpia<Greek nykt-nyct- + al(aós) blind + -ōpia-opia OTHER WORDS FROM nyctalopia nyc·ta·lop·ic [nik-tl-op-ik], /ˌnɪk tlˈɒp ɪk/, adjective Words nearby nyctalopia nyckelharpa, NYCSCE, nyct-, nyctaginaceous, nyctalgia, nyctalopia, nyctanthous, nycterine, nycterohemeral, nyctinasty, nyctitropic Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for nyctalopia His nyctalopia was a great advantage, his cat-like sight enabling him to distinguish the smallest object in the deepest gloom. In Search of the Castaways\|Jules Verne Nyctalopia, so frequently encountered, must be regarded as a circulatory symptom rather than as one of nervous origin. Scurvy Past and Present\|Alfred Fabian Hess Government, offer to it, to discover the remedy for nyctalopia, 335. An Account of Timbuctoo and Housa Territories in the Interior of Africa\|Abd Salam Shabeeny British Dictionary definitions for nyctalopia nyctalopia / (ˌnɪktəˈləʊpɪə) / noun inability to see normally in dim lightNontechnical name: night blindness Compare hemeralopia Word Origin for nyctalopia C17: via Late Latin from Greek nuktálōps, from nux night + alaos blind + ōps eye Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for nyctalopia nyctalopia [ nĭk′tə-lō′pē-ə ] n. A condition of the eyes in which vision is normal in daylight or other strong light but is abnormally weak or completely lost at night or in dim light and that results from vitamin A deficiency, disease, or hereditary factors.night blindness Other words from nyctalopia nyc′ta•lo′pic (-lō′pĭk, -lŏp′ĭk) adj. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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