Accelerant

Accelerant is a noun that refers to something that aids in acceleration. It comes also be used as an adjective to describe something that causes an acceleration. The word accelerate comes from the Latin accelerare (ak sell er ARE ay) meaning to ‘to hasten’ or ‘make faster.’ Our word of the day is often used in a technical context. The police suspected those responsible for the blast used certain stolen chemicals as accelerants in their explosives.