self-catalysis

noun, plural ca·tal·y·ses

[kuh-tal-uh-seez] .

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

Related forms

cat·a·lyt·ic

[kat-l-it-ik] , adjective, noun

cat·a·lyt·i·cal, adjective

cat·a·lyt·i·cal·ly, adverb

an·ti·cat·a·lyt·ic, adjective, noun

an·ti·cat·a·lyt·i·cal·ly, adverb

non·cat·a·lyt·ic, adjective, noun

non·cat·a·lyt·i·cal·ly, adverb

self-ca·tal·y·sis, noun

sem·i·cat·a·lyt·ic, adjective

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To self-catalysis

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Self-catalysis is always a great word to know.

So is ort. Does it mean:

a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.

a scrap or morsel of food left at a meal.

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Collins

World English Dictionary

catalysis (kəˈtælɪsɪs)

—n , pl -ses
	acceleration of a chemical reaction by the action of a catalyst

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

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline

Word Origin & History

catalysis

1655, "dissolution," from Gk. katalysis "dissolution," from katalyein "to dissolve," from kata- "down" + lyein "to loosen" (see lose). Chemical sense is attested from 1836.

American Heritage

Medical Dictionary

catalysis ca·tal·y·sis (kə-tāl'ĭ-sĭs)
n. pl. ca·tal·y·ses (-sēz')
The action of a catalyst, especially an increase in the rate of a chemical reaction.

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