Try Our Apps


What does the eggplant emoji really mean?


[hem-er-uh-loh-pee-uh] /ˌhɛm ər əˈloʊ pi ə/
noun, Ophthalmology.
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.
Also called day blindness.
Origin of hemeralopia
1700-10; < New Latin < Greek hēmeralōp- (stem of hēmerálōps having such a condition (hēmer(a) day +al(aós) blind + -ōps having such an appearance) + -ia -ia; cf. -opia
Related forms
[hem-er-uh-lop-ik] /ˌhɛm ər əˈlɒp ɪk/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
Cite This Source
British Dictionary definitions for hemeralopia


inability to see clearly in bright light Nontechnical name day blindness Compare nyctalopia
Derived Forms
hemeralopic (ˌhɛmərəˈlɒpɪk) adjective
Word Origin
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
Cite This Source
hemeralopia in Medicine

hemeralopia hem·er·a·lo·pi·a (hěm'ər-ə-lō'pē-ə)
A visual defect marked by the inability to see as clearly in bright light as in dim light. Also called day blindness.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Nearby words for hemeralopia

Word Value for hemeralopia

Scrabble Words With Friends