Word Study
-oma
CIDE DICTIONARY
-oma, suff. [Gr. , .].
A suffix used in medical terms to denote a morbid condition of some part, usually some kind of tumor; as in fibroma, glaucoma. [1913 Webster]
OXFORD DICTIONARY
-oma, n. forming nouns denoting tumours and other abnormal growths (carcinoma).
Etymology
mod.L f. Gk -oma suffix denoting the result of verbal action
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