-osis

noun suffix

plural -oses or -osises
1
a
: action : process : condition
hypnosis
b
: abnormal or diseased condition
leukosis
2
: increase : formation
leukocytosis

Word History

Etymology

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

Dictionary Entries Near -osis

Cite this Entry

“-osis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/-osis. Accessed 4 Mar. 2024.

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