principal diagonal

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noun

Mathematics. See under diagonal (def. 9).

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navy

beryl

azure

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Origin of principal diagonal

First recorded in 1960–65

Words nearby principal diagonal

principal argument, principal artery of thumb, principal axis, principal boy, principal clause, principal diagonal, principal focus, principal ideal, principal ideal domain, principalities, principality

How to use principal diagonal in a sentence

The young man weaves through clusters of bamboo and cuts a diagonal slash into a tree, positioning a hollow log at the end.
The Congo's Forgotten Colonial Getaway|Nina Strochlic|December 18, 2014|DAILY BEAST
The leak suggests that Mr. Obama remains blind to the principal cause of his foreign policy woes.
Before Ditching His Top Aides, Obama Should Look in the Mirror|Leslie H. Gelb|November 2, 2014|DAILY BEAST
The Spire rests on the same basic principal as the old-school fountains.
Font of Invention||September 18, 2014|DAILY BEAST
But younger members of the community who encountered the man as a principal had a different tale to tell.
This 'Holy Guy'—and Grandfather of 100—Is Accused of Sexually Abusing a Student|Batya Ungar-Sargon|September 9, 2014|DAILY BEAST

He recalled one event, when he was playing with a friend, Areah, when the principal came outside and found them.
This 'Holy Guy'—and Grandfather of 100—Is Accused of Sexually Abusing a Student|Batya Ungar-Sargon|September 9, 2014|DAILY BEAST
This is the first and principal point at which we can stanch the wastage of teaching energy that now goes on.
The Salvaging Of Civilisation|H. G. (Herbert George) Wells
"The Smoker," and "Mother and Daughter," a triptych, are two of her principal pictures.
Women in the fine arts, from the Seventh Century B.C. to the Twentieth Century A.D.|Clara Erskine Clement
It is the principal waste-product of metabolism, and constitutes about one-half of all the solids excreted—about 30 gm.
A Manual of Clinical Diagnosis|James Campbell Todd
The principal room or "hall" will accommodate about 1,000 persons, the remaining portion of the premises being let off in offices.
Showell's Dictionary of Birmingham|Thomas T. Harman and Walter Showell
Thomas Barnes, principal editor of the Times newspaper, died in London, aged 56.
The Every Day Book of History and Chronology|Joel Munsell