Also found in: Medical.
1. Condition; process; action: osmosis.
2. Diseased or abnormal condition: acidosis.
3. Increase; formation: leukocytosis.
[Latin -ōsis, from Greek, n. suff.]
suffix forming nouns
1. indicating a process or state: metamorphosis.
2. (Pathology) indicating a diseased condition: tuberculosis. Compare -iasis
3. indicating the formation or development of something: fibrosis.
[from Greek, suffix used to form nouns from verbs with infinitives in -oein or -oun]
a suffix occurring in nouns that denote actions, conditions, or states (hypnosis; osmosis), esp. disorders or abnormal states (neurofibromatosis; tuberculosis). Compare -otic.
[on the model of Greek borrowings ending in Greek -ōsis, derived orig. from verbs ending in the formative -o- (-ō- in n. derivatives), with the suffix -sis -sis]
1. A suffix that means:
2. Diseased condition, as in tuberculosis.
3. Condition or process, as in osmosis.