-osis /əʊsəs, əʊsɪs $ oʊ-/ BrE AmE suffix ( plural -oses /əʊsiːz $ oʊ-/) [in nouns]
[ Language: Latin ; Origin: Greek ]
1 . a diseased condition:
silicosis (=a lung disease)
neuroses (=medical conditions that affect the mind)
2 . a 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]