[-oma] n suffix, pl -omas or -omata [L omat-, -oma, fr. Gk -omat-, -oma, fr. -o- (stem vowel of causative verbs in -oun) + -mat-, -ma, suffix denoting result--more at -ment]: tumor "adenoma" "fibroma"
-OMA
Meaning of -OMA in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012