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Definition of determinant

determinant

/dɪˈtɜːrmɪnənt/
de · ter · mi · nant

Plural:determinants
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determinant Lexical Profile

determinant Game Scores & Validity

• noun

1

A factor, circumstance, or agent that decisively affects the nature or outcome of something.

Example

"Access to clean water is a major determinant of public health in developing regions."


2

A scalar value computed from the elements of a square matrix that characterizes certain properties of the matrix and the linear map it represents.

Example

"If the determinant of a square matrix is zero, the matrix cannot be inverted."


3

In immunology, the specific site on an antigen molecule to which an antibody binds; an epitope.

Example

"The vaccine targets a conserved antigenic determinant on the surface of the virus."

Synonyms
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• adjective

1

Serving to determine, define, or decisively influence an outcome.

Example

"Economic stability was the determinant factor in the committee's final decision."

Synonyms
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Antonyms
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Word Nuance & Usage

Do not confuse 'determinant' with 'determinate'; 'determinant' typically refers to a causal factor or a mathematical value, whereas 'determinate' is an adjective meaning having exact and discernible limits.

• Rhymes for determinant

Word Origin & Etymology

Borrowed from Latin 'determinantem', the present participle of 'determinare' ('to enclose within limits, fix, or settle'), formed from 'de-' ('off') and 'terminare' ('to mark the end or boundary'). The mathematical sense was introduced by Carl Friedrich Gauss in 1801.

Cite this Entry


Wordmom. (2026). Definition of Determinant. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/determinant
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