accelerant UK /əkˈsɛləɹ(ə)nt/US /əkˈsɛləɹənt/noun 4adjective 1forms 3 noun4 •Any substance that can bond or mix with, or disturb, another substance and cause an increase in the speed of a natural or artificial chemical process. •In the context of fire protection, a substance that accelerates the development of a fire, especially some hydrocarbon-based fuel used to spread a fire caused by arson.Accelerant was poured across the beds where the two daughters of a family in Cheshire, Conn., had been tied before a fire during a home invasion in 2007, a fire investigator told jurors on Friday. — 2010 •A substance used to catalyze the vulcanization of rubber. •(figurative) Something that speeds up a process or the uptake of something else.Hello Neighbor’s experience reflects the rise of video sites like YouTube as an accelerant for the video game business. — 2017 adjective1 •Causing acceleration or speeding up; accelerating. formsaccelerants · more accelerant · most accelerant
