cocatalyst

noun

co·cat·a·lyst | \ ˌkō-ˈka-tə-ləst

How to pronounce cocatalyst (audio)

\

variants: or co-catalyst

plural cocatalysts or co-catalysts

Definition of cocatalyst

: a substance or agent that brings about catalysis in conjunction with one or more others Platina nanoparticles can serve as a co-catalyst in the reactions with electrons … — Science Daily

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The first known use of cocatalyst was in 1961

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