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Catalyst | Definition of Catalyst by Merriam-Webster

Catalyst is a fairly recent addition to the English language, first appearing at the start of the 20 th century with its chemistry meaning. It was formed from the ...

catalyst -- Kids Encyclopedia | Children's Homework Help ...

Double-click it to look it up in Merriam-Webster's Student Dictionary. catalyst Student Encyclopedia. Page 1 of 1 : Print ... catalyst. Britannica Online for Kids.

Kids.Net.Au - Encyclopedia > Catalyst

A catalyst in chemistry or biology is a substance that accelerates the rate of a chemical reaction but is unconsumed (net) by the reaction (see also catalysis).

Catalyst Definition as Used in Chemistry - ThoughtCo

Catalyst Definition: A catalyst is a subtance that increases the rate of a chemical reaction by reducing the activation energy, but which is left unchanged by the ...

Medical Definition of Catalyst - MedicineNet

Read medical definition of Catalyst ... Catalyst: A substance that speeds up a chemical reaction but is not consumed or altered in the process.

Catalysts: Definition, Types & Examples - Video & Lesson ...

A catalyst will do this by ensuring that desired product functions the way it is supposed to in the body. ... Catalysts: Definition, ... Lesson for Kids;

Catalysis | Definition of Catalysis by Merriam-Webster

See catalysis defined for kids. ... Medical Definition of catalysis. ... a change and especially increase in the rate of a chemical reaction induced by a catalyst.

Catalyst | Define Catalyst at Dictionary.com

Catalyst definition, Chemistry. a substance that causes or accelerates a chemical reaction without itself being affected. See more.

Chem4Kids.com: Reactions: Catalysts and Inhibitors

Chem4Kids.com! This tutorial introduces basics of catalysts and enzymes. Other sections include matter, elements, the periodic table, and biochemistry.

catalyst definition for kids - yousearch.io

Black and brown kids often encounter the words nappy, kinky, and wooly, as pejoratives. Faced with this judgement, ... by definition ... What's the true catalyst?