Meanings
nounhemeralopia (plural hemeralopias)
plural hemeralopias
- medicineThe inability to see clearly in bright light; day blindness.
- archaicmedicineNight blindness.
Synonyms & antonyms
nouninability to see clearly in bright light
Similar
Broader
visual impairmentvisual defectvision defect
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Ancient Greekἡμεραλωπία
- New Latinhēmeralōpia
- Englishhemeralopia
Borrowed from New Latin hēmeralōpia, from Ancient Greek ἡμεραλωπία (hēmeralōpía). From ἡμέρα (hēmérā, “day”), ἀλαός (alaos, “blind”), and ὄψ (ops, “eye”).
More words from New Latin, Ancient Greek
Full word history & related roots →Cite this entry
APA
hemeralopia. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/hemeralopia
MLA
“hemeralopia.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hemeralopia. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “hemeralopia,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/hemeralopia.
Source: hemeralopia on Wiktionary, CC BY-SA 4.0.