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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 ...

Kids.Net.Au - Dictionary > Definition: catalyst

Kids.Net.Au - Dictionary > Definition: catalyst . Search the Internet with Kids.Net.Au . Dictionary Definition of catalyst something that causes an important event ...

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.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 -- 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.

Catalyst | Define Catalyst at Dictionary.com

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

Catalysis | Definition of Catalysis by Merriam-Webster

Define catalysis: a modification and especially increase in the rate of a chemical reaction induced by material unchanged chemically at the end of theā€¦

catalyst - Dictionary Definition : Vocabulary.com

A catalyst is an event or person causing a change. Getting kicked out of your parents' house might be a catalyst for becoming more independent.

Medical Definition of Catalyst - MedicineNet

Catalyst: A substance that speeds up a chemical reaction but is not consumed or altered in the process. Catalysts are of immense importance in chemistry and biology ...

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.


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