-oma

Origin

From Ancient Greek -ωμα.

Suffix

1. (pathology) A suffix forming nouns indicating disease or morbidity.
2. (pathology, specifically) A suffix forming nouns indicating tumors or masses, which may be benign or cancerous (malignant).

Usage notes

For most nouns formed with -oma, the plural in -omas is more common, because the suffix has been naturalized into English, but the plural in -omata is often preferred by people who believe that the Greek inflection needs to be retained.

Derived terms