catalysis

catalysis /ca·tal·y·sis/ (kah-tal´ĭ-sis) increase in the velocity of a chemical reaction or process produced by the presence of a substance that is not consumed in the net chemical reaction or process; negative c. denotes the slowing down or inhibition of a reaction or process by the presence of such a substance.catalyt´ic

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ca·tal·y·sis (k-tl-ss)

n. pl. ca·tal·y·ses (-sz)

The action of a catalyst, especially an increase in the rate of a chemical reaction.

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catalysis

[kətal′əsis]

Etymology: Gk, katalein, to dissolve

an increase in the rate of a chemical reaction that is caused by a substance that is neither permanently altered nor consumed by the reaction. Compare negative catalysis. See also catalyst. catalytic. adj., catalyze, v.

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catalysis [kah-tal´ĭ-sis]

increase in the velocity of a chemical reaction or process produced by the presence of a substance that is not consumed in the net chemical reaction or process; negative catalysis denotes the slowing down or inhibition of a reaction or process by the presence of such a substance. adj., adj catalyt´ic.

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catalysis (ktal´sis),

n the increase in rate of a chemical reaction, induced by a substance called a
catalyst, which takes no part in the reaction and remains unchanged.

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catalysis

increase in the velocity of a chemical reaction or process produced by the presence of a substance that is not consumed in the net chemical reaction or process; negative catalysis denotes the slowing down or inhibition of a reaction or process by the presence of such a substance.

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covalent catalysis

one type of enzyme reaction with substrates to form very unstable, covalently joined enzyme-substrate complexes which undergo further reaction.