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determinant

[dih-tur-muh-nuh nt] /dɪˈtɜr mə nənt/
noun
1.
a determining agent or factor.
2.
Mathematics. an algebraic expression of the sum of products of elements, each with an appropriate algebraic sign, usually written in a square array and used in the solution of systems of linear equations.
3.
Also called antigenic determinant, epitope. Immunology. any site on an antigen molecule at which an antibody can bind, the chemical structure of the site determining the specific combining antibody.
4.
Genetics Archaic. a gene.
Origin
1600-1610
1600-10; < Latin dēterminant- (stem of dētermināns), present participle of dētermināre. See determine, -ant
Related forms
nondeterminant, noun
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for nondeterminant

determinant

/dɪˈtɜːmɪnənt/
adjective
1.
serving to determine or affect
noun
2.
a factor, circumstance, etc, that influences or determines
3.
(maths) a square array of elements that represents the sum of certain products of these elements, used to solve simultaneous equations, in vector studies, etc Compare matrix (sense 9)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for nondeterminant

determinant

c.1600 (adj.); 1680s (n.), from Latin determinantem (nominative determinans), present participle of determinare (see determine).

Online Etymology Dictionary, © 2010 Douglas Harper
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nondeterminant in Medicine

determinant de·ter·mi·nant (dĭ-tûr'mə-nənt)
n.

  1. An influencing or determining element or factor.

  2. Antigenic determinant.

adj.
Tending or serving to determine.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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