Definitions for accelerantækˈsɛl ər ənt
Random House Webster's College Dictionary
ac•cel•er•antækˈsɛl ər ənt(n.)
something that speeds up a process.
Ref: accelerator (def. 3). 5
a substance that intensifies a fire or accelerates its spread.
Origin of accelerant:
1915–20; < L
Any substance that can bond, mix, or disturb another substance and cause an increase in the speed of a natural or artificial chemical process.
A substance that accelerates the development of a fire; especially some petroleum product used to spread an act of arson
A substance used to catalyze the vulcanization of rubber
Origin: * First attested in 1854.