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main diagonal

American  

noun

Mathematics.

  1. diagonal9

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The identity matrix is a square matrix containing ones down the main diagonal and zeros everywhere else.

From Textbooks • Feb. 13, 2015

The darkest squares along the main diagonal represent spots of closest interaction.

From Nature

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.