Definition of -osis
plural -oses or -osises
1 a : action : process : condition <hypnosis> b : abnormal or diseased condition <leukosis>
2 : increase : formation <leukocytosis>
Origin of -osis
New Latin, from Greek -ōsis, from -ō- (stem of causative verbs in -oun) + -sis
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Medical Dictionary: Definition of "-osis"
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