CATALYST

n. any substance which significantly increases the speed of a chemical reaction. It is only required in small amounts compared to that of the reactants, and yet it is not used up by the reaction. Although catalysts can be organic, inorganic, and synthetic, the most commonly-known are enzymes which are organic and biological catalysts.

CATALYST: "An enzyme is a biological catalyst which is mostly made up of proteins."
Cite this page: N., Pam M.S., "CATALYST," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/catalyst/ (accessed October 17, 2019).
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