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ca·tal·y·sis | \ kə-ˈta-lə-səs 
\
\ plural catalyses\ kə-ˈta-lə-ˌsēz \
\Definition of catalysis
: a modification and especially increase in the rate of a chemical reaction induced by material unchanged chemically at the end of the reaction
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catalysis
nounca·tal·y·sis | \ kə-ˈtal-ə-səs \
\ plural catalyses\ -ˌsēz \
\Medical Definition of catalysis
: a change and especially increase in the rate of a chemical reaction induced by a catalyst
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The first known use of catalysis was in 1836
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