- 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 catalysis
We may look upon this process as a special kind of catalysis.The Wonders of Life
"I think you can rely upon your powers of catalysis, Dorothy," he said.The Vanity Girl
They've found the secret of catalysis, and can actually synthesize any catalytic agent they want.Islands of Space
John W Campbell
We call this catalysis, catalytic action, the action of presence, or by what learned name we choose.Medical Essays
Oliver Wendell Holmes, Sr.
The phenomenon known as "catalysis" is of common occurrence in both inorganic and organic chemistry.The Chemistry of Plant Life
Roscoe Wilfred Thatcher
- acceleration of a chemical reaction by the action of a catalyst
Word Origin and History for 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.