1. an ill state. 2. procedure or condition. 3. development or growth.
OSIS: "One of the first suffixes most medical terminology students are introduced to is -osis."
Cite this page: N., Sam M.S., "OSIS," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/osis/ (accessed June 28, 2022).
