1. Biology. The cell reproduction of an organism by dividing into 2 parts. 2. Separating 2 sounds into different perceptual streams or auditory objects. See fusion.
FISSION: "Fission occurs when cells divide."
Cite this page: N., Pam M.S., "FISSION," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/fission/ (accessed May 18, 2021).
