Home › Words › A › autofusionautofusionautofusion · noun — the fusion of parts of the same structure, typically the vertebrae of the spine.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom auto- + fusion.nounThe fusion of parts of the same structure, typically the vertebrae of the spineDefinitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.autofuse 74% match — To undergo autofusion vs autofusion →autofused 68% match — Modified by autofusion vs autofusion →symphysy 64% match — The fusion of two bodies, or two parts of a body vs autofusion →postfusional 63% match — Following fusion vs autofusion →syncervical 61% match — A fusion of the anterior cervical vertebrae in some tetrapods vs autofusion →fused 61% match — Joined together by fusing vs autofusion →holospondylous 60% match — Having all elements fused vs autofusion →fusion 59% match — The act of merging separate things, or the result thereof. vs autofusion →