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principal diagonal

noun

  1. Mathematics.,  diagonal9

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Word History and Origins

Origin of principal diagonal1

First recorded in 1960–65
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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 principal diagonal void on the riverfront facade marks the location of what will be a grand staircase paralleling the tiered adult reading area.

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principal clauseprincipal focus

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