-osis

noun suffix

plural -oses or -osises

Definition of -OSIS

a : action : process : condition <hypnosis>

b : abnormal or diseased condition <leukosis>

: increase : formation <leukocytosis>

New Latin, from Greek -ōsis, from -ō- (stem of causative verbs in -oun) + -sis

Medical Dictionary

noun suffix -o·sis \ˈō-səs\

plural -o·ses \ˈō-ˌsēz\ or -o·sis·es

a : action : process : condition <hypnosis> b : abnormal or diseased condition <leukosis>

: increase : formation <leukocytosis>

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