Definition of "katal" [katal]

• An SI unit of catalytic activity, measured in moles per second. One katal is the catalytic activity that raises the rate of a chemical reaction by one mole per second. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The name, katalize (pronounced cattle-eyes) represents a fusion of the term katal (unit for measuring catalytic activity) and process of catalysis (the acceleration of the reaction rate of a reaction by means of a substance, called a catalyst)."