Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “glaucoma”


noun [U]     /ɡlaʊˈkəʊ.mə/ US  /-ˈkoʊ-/
a disease of the eye that can cause a person to gradually lose their sight Eyesight, glasses and lensesUsing the eyesThe eye and surrounding areaOptics, microscopy and lasers
(Definition of glaucoma noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of glaucoma

Definitions of “glaucoma” in other dictionaries

Translations of “glaucoma”

Word of the Day


to pour liquid slowly over something, especially in a thin line or in small drops

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More