- 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
Examples from the Web for catalytic
Contemporary Examples of catalytic
Communications tools and political platform building workshops could be catalytic.Satellites Correctly Predict Military Campaign Against Civilians in Sudan
December 9, 2013
Historical Examples of catalytic
The theory has been advanced that the action of the vitamines is catalytic.Scurvy Past and Present
Alfred Fabian Hess
But introduce the catalytic agent and immediately the reaction commences.On Digestive Proteolysis
R. H. Chittenden
Catalytic medicines act in the blood, and their effect is permanent.
These Antiarthritics must operate, then, on the Catalytic principle.
It also appears to act on the Catalytic plan; but it has not been often employed.
- of or relating to catalysis; involving a catalyst
- acceleration of a chemical reaction by the action of a catalyst
Word Origin for catalysis
1836, from Latinized form of Greek katalytikos "able to dissolve," from katalyein (see catalysis).
1650s, "dissolution," from Latinized form of Greek katalysis "dissolution, a dissolving" (of governments, military units, etc.), from katalyein "to dissolve," from kata- "down" (or "completely"), see cata-, + lyein "to loosen" (see lose). Chemical sense "change caused by an agent which itself remains unchanged" is attested from 1836, introduced by Swedish chemist Jöns Jakob Berzelius (1779-1848).
- The action of a catalyst, especially an increase in the rate of a chemical reaction.
- 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.