principal diagonal

noun

Definition of principal diagonal

: the diagonal in a square matrix that runs from upper left to lower right

First Known Use of principal diagonal

1962, in the meaning defined above

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Time Traveler for principal diagonal

Time Traveler

The first known use of principal diagonal was in 1962

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Dictionary Entries Near principal diagonal

principal challenge

principal diagonal

principal distance

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Cite this Entry

“Principal diagonal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/principal%20diagonal. Accessed 24 Sep. 2021.

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