Home › Words › D › diffissiondiffissiondiffission means the act of cleaving or splitting.EtymologySee diffind.nounThe act of cleaving or splitting.e.g.“As we know, there cases of pleuris , even where there is great amount of diffision, with comparatively little dyspnea, and dyspnea is a treacherous symptom to base youself on” — 1899, Transactions of the Louisiana State Medical Society, page 200:Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.diffusion 70% match — The act of diffusing or dispersing something, or the property of being diffused or dispersed; dispersion. vs diffission →diffusal 68% match — Synonym of diffusion. vs diffission →cleaving 67% match — That cleaves. vs diffission →diffusional 66% match — Of or pertaining to diffusion. vs diffission →defusion 65% match — The act of defusing. vs diffission →cleavage 65% match — The act of cleaving or the state of being cleft. vs diffission →diduction 62% match — The act of drawing apart; separation. vs diffission →diffusionist 61% match — Of or pertaining to diffusionism. vs diffission →