From Longman Dictionary of Contemporary English-osis-osis /əʊsɪs $ oʊ-/ suffix (plural -oses /əʊsiːz $ oʊ-/) [in nouns] 1 MIa diseased condition silicosis (=a lung disease) neuroses (=medical conditions that affect the mind)2 CONDITION/STATE OF somethinga condition or process a metamorphosis (=change from one state to another) —-otic /ɒtɪk $ ɑːtɪk/ suffix [in adjectives] neurotic hypnotic —-otically /ɒtɪkli $ ɑːt-/ suffix [in adverbs]
Examples from the Corpus
-osis• hypnosis• tuberculosisOrigin -osis Latin Greek 