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cofactor

 - 4 dictionary results

co⋅fac⋅tor

  [koh-fak-ter]
Use cofactor in a Sentence
–noun
1. Biochemistry. any of various organic or inorganic substances necessary to the function of an enzyme.
2. Mathematics.
a. a prefactor or postfactor.
b. the product of the minor of a given element of a matrix times −1 raised to the power of the sum of the indices of the row and column crossed out in forming the minor.
Origin:
1935–40; co- + factor
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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co·fac·tor   (kō'fāk'tər)   
n.  

  1. One of two or more contributing factors.

  2. A substance, such as a metallic ion or coenzyme, that must be associated with an enzyme for the enzyme to function.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: co·fac·tor
Pronunciation: 'kO-"fak-t&r
Function: noun
: a substance that acts with another substance to bring about certaineffects; especially : COENZYME
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

cofactor co·fac·tor (kō'fāk'tər)
n.
A substance, such as a metallic iron or coenzyme, that must be associated with an enzyme for the substance to function.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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