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Definition of glaucoma
glaucoma
/ɡlɔːˈkoʊ.mə/
glau · co · ma
Plural:glaucomas
•Adjective:glaucomatous
glaucoma Lexical Profile
CEFR
C1
Grade
10
Tier
2
Usage
Top 10k
Syllables
3
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• noun
1
A group of eye diseases characterized by damage to the optic nerve, often associated with abnormally high intraocular pressure, which can lead to progressive and irreversible loss of vision.
Example
"Regular comprehensive eye exams are essential for detecting glaucoma in its early stages before significant vision loss occurs."
• Rhymes for glaucoma
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Word Origin & Etymology
Borrowed via Latin from Ancient Greek 'glaukōma', meaning an opacity of the crystalline lens, derived from 'glaukos' ('bluish-green' or 'gray') in reference to the dull greenish-gray hue of the pupil in affected eyes.
Cite this Entry
Wordmom. (2026). Definition of Glaucoma. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/glaucoma