[ hem-er-uh-loh-pee-uh ]
/ ˌhɛm ər əˈloʊ pi ə /
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a condition of the eyes in which sight is normal in the night or in a dim light but is abnormally poor or wholly absent in the day or in a bright light.
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Also called day blindness.
Origin of hemeralopia
OTHER WORDS FROM hemeralopiahem·er·a·lop·ic [hem-er-uh-lop-ik], /ˌhɛm ər əˈlɒp ɪk/, adjective
Words nearby hemeralopia
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for hemeralopia
/ (ˌhɛmərəˈləʊpɪə) /
inability to see clearly in bright lightNontechnical name: day blindness Compare nyctalopia
Derived forms of hemeralopiahemeralopic (ˌhɛmərəˈlɒpɪk), adjective
Word Origin for hemeralopia
C18: New Latin, from Greek hēmeralōps, from hēmera day + 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 hemeralopia
[ hĕm′ər-ə-lō′pē-ə ]
A visual defect marked by the inability to see as clearly in bright light as in dim light.day blindness
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.