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Definition of submatrix

submatrix

/ˈsʌbˌmeɪtrɪks/
sub · ma · trix
Plural:submatrices
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submatrix Lexical Profile

submatrix Game Scores & Validity

• noun

1

A mathematical matrix formed by selecting certain rows and columns from a larger matrix and retaining their intersection points, effectively deleting the unselected rows and columns.

Example

"To calculate the determinant of the large array, the computer science student recursively evaluated each corresponding submatrix."

Synonyms
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Antonyms
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• Nearby Words

subarnarekha
subcortex
submarine
submatrix
subway
succisa
succotash

Word Origin & Etymology

Formed by combining the Latin-derived prefix 'sub-' (meaning under or part of) with 'matrix' (a rectangular mathematical array), widely adopted in linear algebra literature during the 20th century.

Cite this Entry

Wordmom. (2026). Definition of Submatrix. In Wordmom Dictionary. Retrieved Oct 16, 2026, from https://wordmom.com/dictionary/submatrix
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