- a disease of the eye in which pressure within the eyeball damages the optic disc, impairing vision, sometimes progressing to blindness
WordReference Random House Learner's Dictionary of American English © 2026
glau•co•ma /glɔˈkoʊmə, glaʊ-/USA pronunciation
n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2026- Pathologya condition of elevated fluid pressure within the eyeball, causing damage to the eye and steady loss of vision.
glau•co•ma
(glô kō′mə, glou-),USA pronunciation n.
glau•co•ma•tous
(glô kō′mə təs, -kom′ə-, glou-),USA pronunciation adj.
- Ophthalmologyabnormally high fluid pressure in the eye, most commonly caused either by blockage of the channel through which aqueous humor drains (open-angle glaucoma or chronic glaucoma) or by pressure of the iris against the lens, which traps the aqueous humor (angle-closure glaucoma or acute glaucoma.)
- Greek glaúkōma opacity of the eye lens. See glauc-, -oma
- 1635–45;
Collins Concise English Dictionary © HarperCollins Publishers::
glaucoma /ɡlɔːˈkəʊmə/ n
'glaucoma' also found in these entries (note: many are not synonyms or translations):