accelerant

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noun ac·cel·er·ant \ik-ˈse-lə-rənt, ak-\

Definition of accelerant

  1. :  a substance used to accelerate a process (such as the spreading of a fire)

Origin and Etymology of accelerant

acceler(ate) + 1-ant


First Known Use: 1824


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WORD OF THE DAY

to cast off or become cast off

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