catalysis

[ kuh-tal-uh-sis ]

/ kəˈtæl ə sɪs /

noun, plural ca·tal·y·ses [kuh-tal-uh-seez]. /kəˈtæl əˌsiz/.

Chemistry. the causing or accelerating of a chemical change by the addition of a catalyst.

an action between two or more persons or forces, initiated by an agent that itself remains unaffected by the action: social catalyses occasioned by controversial writings.

Origin of catalysis

1645–55; <New Latin <Greek katálȳsis dissolution, equivalent to katalȳ́(ein) to dissolve (kata-cata- + lȳ́ein to loosen) + -sis-sis

OTHER WORDS FROM catalysis

cat·a·lyt·ic

[kat-l-it-ik], /ˌkæt lˈɪt ɪk/, adjective, nouncat·a·lyt·i·cal, adjectivecat·a·lyt·i·cal·ly, adverban·ti·cat·a·lyt·ic, adjective, noun

an·ti·cat·a·lyt·i·cal·ly, adverbnon·cat·a·lyt·ic, adjective, nounnon·cat·a·lyt·i·cal·ly, adverbself-ca·tal·y·sis, nounsem·i·cat·a·lyt·ic, adjective

Words nearby catalysis

Catalonia, Catalonian, catalpa, catalufa, catalyse, catalysis, catalyst, catalytic, catalytic converter, catalytic cracker, catalytic cracking

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for catalysis

We should see the building of crystals, catalysis, and the movements of unstable compounds.
The Last Harvest|John Burroughs
"I think you can rely upon your powers of catalysis, Dorothy," he said.
The Vanity Girl|Compton Mackenzie
They've found the secret of catalysis, and can actually synthesize any catalytic agent they want.
Islands of Space|John W Campbell
We may look upon this process as a special kind of catalysis.
The Wonders of Life|Ernst Haeckel

The phenomenon known as "catalysis" is of common occurrence in both inorganic and organic chemistry.
The Chemistry of Plant Life|Roscoe Wilfred Thatcher

British Dictionary definitions for catalysis

catalysis

/ (kəˈtælɪsɪs) /

noun plural -ses (-ˌsiːz)

acceleration of a chemical reaction by the action of a catalyst

Word Origin for catalysis

C17: from New Latin, from Greek katalusis, from kataluein to dissolve

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for catalysis

catalysis

[ kə-tăl′ĭ-sĭs ]

n. pl. ca•tal•y•ses (-sēz′)

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

单词	catalysis
释义	catalysis [ kuh-tal-uh-sis ] / kəˈtæl ə sɪs / noun, plural ca·tal·y·ses [kuh-tal-uh-seez]. /kəˈtæl əˌsiz/. Chemistry. the causing or accelerating of a chemical change by the addition of a catalyst. an action between two or more persons or forces, initiated by an agent that itself remains unaffected by the action: social catalyses occasioned by controversial writings. Origin of catalysis 1645–55; <New Latin <Greek katálȳsis dissolution, equivalent to katalȳ́(ein) to dissolve (kata-cata- + lȳ́ein to loosen) + -sis-sis OTHER WORDS FROM catalysis cat·a·lyt·ic [kat-l-it-ik], /ˌkæt lˈɪt ɪk/, adjective, nouncat·a·lyt·i·cal, adjectivecat·a·lyt·i·cal·ly, adverban·ti·cat·a·lyt·ic, adjective, noun an·ti·cat·a·lyt·i·cal·ly, adverbnon·cat·a·lyt·ic, adjective, nounnon·cat·a·lyt·i·cal·ly, adverbself-ca·tal·y·sis, nounsem·i·cat·a·lyt·ic, adjective Words nearby catalysis Catalonia, Catalonian, catalpa, catalufa, catalyse, catalysis, catalyst, catalytic, catalytic converter, catalytic cracker, catalytic cracking Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for catalysis We should see the building of crystals, catalysis, and the movements of unstable compounds. The Last Harvest\|John Burroughs "I think you can rely upon your powers of catalysis, Dorothy," he said. The Vanity Girl\|Compton Mackenzie They've found the secret of catalysis, and can actually synthesize any catalytic agent they want. Islands of Space\|John W Campbell We may look upon this process as a special kind of catalysis. The Wonders of Life\|Ernst Haeckel The phenomenon known as "catalysis" is of common occurrence in both inorganic and organic chemistry. The Chemistry of Plant Life\|Roscoe Wilfred Thatcher British Dictionary definitions for catalysis catalysis / (kəˈtælɪsɪs) / noun plural -ses (-ˌsiːz) acceleration of a chemical reaction by the action of a catalyst Word Origin for catalysis C17: from New Latin, from Greek katalusis, from kataluein to dissolve Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for catalysis catalysis [ kə-tăl′ĭ-sĭs ] n. pl. ca•tal•y•ses (-sēz′) The action of a catalyst, especially an increase in the rate of a chemical reaction. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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