A lot vs. Alot: 9 Grammatical Pitfalls
word-forming element expressing state or condition, in medical terminology denoting "a state of disease," from Latin -osis and directly from Greek -osis, formed from the aorist of verbs ending in -o. It corresponds to Latin -atio.
Condition; process; action: osmosis.
Diseased or abnormal condition: neurosis.
Increase; formation: leukocytosis.