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: 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 definition, Chemistry. a substance that causes or accelerates a chemical reaction without itself being affected. See more.
catalyst: A substance able ... Double-click it to look it up in Merriam-Webster's Student Dictionary. catalyst ... catalyst. Britannica Online for Kids.
Video: Catalysts: Definition, Types & Examples. ... That lighter fluid is called a catalyst. ... Math Card Games for Kids;
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.
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).
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! 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.