cofactor

co·fac·tor

C c

Definitions of cofactor word

noun cofactor a number associated with an element in a square matrix, equal to the determinant of the matrix formed by removing the row and column in which the element appears from the given determinant 3
noun cofactor a nonprotein substance that forms a complex with certain enzymes and is essential for their activity. It may be a metal ion or a coenzyme 3
noun cofactor any one of two or more factors, the combined effects of which may cause a certain result or condition, esp. a disease 3
noun cofactor an accessory substance, esp. a coenzyme, that must be present for a particular biological reaction to occur 3
noun cofactor Biochemistry. any of various organic or inorganic substances necessary to the function of an enzyme. 1
noun cofactor Mathematics. a prefactor or postfactor. 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. 1

before 1935

One of the 8% newest English words

First recorded in 1935-40; co- + factor

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

A common word. It’s meaning is known to most children of preschool age. About 75% of English native speakers know the meaning and use the word.

This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

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