accelerant

(ak selər ənt, ək-)

adjective

accelerating

Origin: L accelerans, prp. of accelerare: see accelerate

noun

  1. something that increases the speed of a process
  2. Chem. catalyst

See accelerant in American Heritage Dictionary 4

noun
A substance, such as a petroleum distillate, that is used as a catalyst, as in spreading an intentionally set fire.

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