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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 Definition as Used in Chemistry - thoughtco.com

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 ...

Catalyst | Define Catalyst at Dictionary.com

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

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

catalyst: A substance able ... Double-click it to look it up in Merriam-Webster's Student Dictionary. catalyst ... catalyst. Britannica Online for Kids.

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

Video: Catalysts: Definition, Types & Examples. ... That lighter fluid is called a catalyst. ... Math Card Games 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.

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).

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.

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.


Rates of Reaction. What is a Catalyst? A catalyst is a substance that will change the rate of a reaction. A catalyst is often used to make a reaction go faster.

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