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catalytic

[kuh-tal-uh-sis]

Origin

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noun, plural ca·tal·y·ses

[-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.

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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

EXPAND

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

COLLAPSE

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Catalytic is always a great word to know.

So is ninnyhammer. Does it mean:

a fool or simpleton; ninny.

a stew of meat, vegetables, potatoes, etc.

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Collins

World English Dictionary

catalytic (ˌkætəˈlɪtɪk)

—*adj*
	of or relating to catalysis; involving a catalyst

cata'lytically

—*adv*

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

catalytic

from Gk. katalytikos "able to dissolve," from katalysis (see catalysis).

American Heritage

Science Dictionary

catalyst

(kāt'l-ĭst) Pronunciation Key
A substance that starts or speeds up a chemical reaction while undergoing no permanent change itself. The enzymes in saliva, for example, are catalysts in digestion.

catalytic adjective (kāt'l-ĭt'ĭk)

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