CATALYSES

CATALYSIS

catalysis, contact action

(noun) acceleration of a chemical reaction induced the presence of material that is chemically unchanged at the end of the reaction; “of the top 50 commodity chemicals, 30 are created directly by catalysis and another 6 are made from raw materials that are catalytically produced”

Source: WordNet® 3.1

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Etymology 1

Noun

catalyses

plural of catalysis

Etymology 2

Verb

catalyses

Third-person singular simple present indicative form of catalyse

Anagrams

• stay-laces, staylaces

Source: Wiktionary

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CATALYSIS

Ca*tal"y*sis, n.; pl. Catalyse. Etym: [ML., fr. Gr.

1. Dissolution; degeneration; decay. [R.] Sad catalysis and declension of piety. Evelyn.

2. (Chem.) (a) A process by which reaction occurs in the presence of certain agents which were formerly believed to exert an influence by mere contact. It is now believed that such reactions are attended with the formation of an intermediate compound or compounds, so that by alternate composition and decomposition the agent is apparenty left unchanged; as, the catalysis of making ether from alcohol by means of sulphuric acid; or catalysis in the action of soluble ferments (as diastase, or ptyalin) on starch. (b) The catalytic force.

Source: Webster’s Unabridged Dictionary 1913 Edition

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