ˈōsə̇s noun suffix
( plural -o·ses ˈōˌsēz ; or -o·sis·es )
Etymology: Middle English, from Latin, from Greek -ōsis, from -ō- (medial vowel characteristic of derivatives of certain verbs) + -sis
1.
a. : action : process : condition
hypn osis
b. : abnormal or diseased condition
leuk osis
2. : increase : formation
leukocyt osis
3. : arrangement
pteryl osis
4.
[New Latin, from Latin]
: disease caused by a (specified) fungus
chytridi osis