Accelerant

/əkˈsɛləɹ(ə)nt/ adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    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."

  2. 2
    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.; A substance used to catalyze the vulcanization of rubber.
  3. 3
    Something that speeds up a process or the uptake of something else. figuratively

    "Hello Neighbor’s experience reflects the rise of video sites like YouTube as an accelerant for the video game business."

Adjective
  1. 1
    Causing acceleration or speeding up; accelerating.

Example

More examples

"The police were able to determine that an accelerant was used in the fire."

Etymology

From accelerate + -ant (suffix forming agent nouns from verbs, or forming adjectives with senses of being prone or tending to do the actions of verbs).

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