Dictionary.com

hemeralopia

[ hem-er-uh-loh-pee-uh ]
/ ˌhɛm ər əˈloʊ pi ə /
Save This Word!

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.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?
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

OTHER WORDS FROM hemeralopia

hem·er·a·lop·ic [hem-er-uh-lop-ik], /ˌhɛm ər əˈlɒp ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for hemeralopia

hemeralopia
/ (ˌhɛmərəˈləʊpɪə) /

noun
inability to see clearly in bright lightNontechnical name: day blindness Compare nyctalopia

Derived forms of hemeralopia

hemeralopic (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
FEEDBACK