diagonal

[ dahy-ag-uh-nl, -ag-nl ]

/ daɪˈæg ə nl, -ˈæg nl /

SEE SYNONYMS FOR diagonal ON THESAURUS.COM

adjective

Mathematics.

connecting two nonadjacent angles or vertices of a polygon or polyhedron, as a straight line.
extending from one edge of a solid figure to an opposite edge, as a plane.

having an oblique direction.

having oblique lines, ridges, markings, etc.

noun

a diagonal line or plane.

virgule.

a diagonal row, part, pattern, etc.

Manège. (of a horse at a trot) the foreleg and the hind leg, diagonally opposite, which move forward simultaneously.

diagonal cloth.

Mathematics. a set of entries in a square matrix running either from upper left to lower right (main diagonal or principal diagonal) or lower left to upper right (secondary diagonal).

Chess. one of the oblique lines of squares on a chessboard: He advanced his bishop along the open diagonal.

Origin of diagonal

1535–45; < Latin diagōnālis < Greek diagṓn(ios) from angle to angle (see dia-, -gon) + Latin -ālis -al¹

OTHER WORDS FROM diagonal

di·ag·o·nal·ly, adverb non·di·ag·o·nal, adjective, noun non·di·ag·o·nal·ly, adverb

Words nearby diagonal

diagnostic specificity, diagnostic ultrasound, diagnosticate, diagnostician, diagnostics, diagonal, diagonal cloth, diagonal conjugate, diagonal matrix, diagonal process, diagonalize

Example sentences from the Web for diagonal

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
A long, diagonal cross from Marcelo saw the ball reach Hulk, who brought it down to his feet from the top of his monumental chest.

World Cup 2014 Nail-Biter: Host Country Brazil Defeats Chile on Penalty Kicks |Tunku Varadarajan |June 28, 2014 |DAILY BEAST
Others were paired with sportswear-inspired tops—think a tracksuit zip-up made glam with diagonal decorative panels.

Nicolas Ghesquière Presents His Debut Collection for Louis Vuitton |Liza Foreman |March 5, 2014 |DAILY BEAST
I bought wine and I made a wine list and it was the first wine list of its kind: vertical, horizontal, and diagonal.

The Queen of the Cookbook |Sarah Whitman-Salkin |February 23, 2010 |DAILY BEAST

The ceiling is vaulted with diagonal and intermediate ribs, and has the appearance of having been added rather later.

Bell's Cathedrals: The Churches of Coventry |Frederic W. Woodhouse
On the outer surface often arise radial spines, symmetrically disposed either in dimensive planes or in diagonal planes.

Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part: Porulosa (Spumellaria and Acantharia) |Ernst Haeckel
One raker, or diagonal strut, was rotted half through its thickness, and many other timbers were badly decayed.

The Anatomy of Bridgework |William Henry Thorpe
Mouldings varying in size and kind, arranged on diagonal as well as rectangular planes, often ornamented with ball flower.

Architecture |Thomas Roger Smith
Forces acting in the direction of lines forming an obtuse angle, will also produce motion in the diagonal of a parallelogram.

Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained |Jane Haldimand Marcet and Thomas P. Jones

British Dictionary definitions for diagonal

diagonal

/ (daɪˈæɡənəl) /

adjective

maths connecting any two vertices that in a polygon are not adjacent and in a polyhedron are not in the same face

slanting; oblique

marked with slanting lines or patterns

noun

maths a diagonal line or plane

chess any oblique row of squares of the same colour

cloth marked or woven with slanting lines or patterns

something put, set, or drawn obliquely

another name for solidus (def. 1)

one front leg and the hind leg on the opposite side of a horse, which are on the ground together when the horse is trotting

Derived forms of diagonal

diagonally, adverb

Word Origin for diagonal

C16: from Latin diagōnālis, from Greek diagōnios, from dia- + gōnia angle

Scientific definitions for diagonal

diagonal

[ dī-ăg′ə-nəl ]

Adjective

Connecting two nonadjacent corners in a polygon or two nonadjacent corners in a polyhedron that do not lie in the same face.

Noun

A diagonal line segment.

BROWSE DICTIONARY

Learning

diagonal

adjective

noun

Origin of diagonal

OTHER WORDS FROM diagonal

Words nearby diagonal

Example sentences from the Web for diagonal

British Dictionary definitions for diagonal

adjective

noun

Derived forms of diagonal

Word Origin for diagonal

Scientific definitions for diagonal

Adjective

Noun

BROWSE DICTIONARY

Learning

diagonal

adjective

noun

Origin of diagonal

OTHER WORDS FROM diagonal

Words nearby diagonal

Words related to diagonal

Example sentences from the Web for diagonal

(adsbygoogle = window.adsbygoogle || []) .push({}); British Dictionary definitions for diagonal

adjective

noun

Derived forms of diagonal

Word Origin for diagonal

Scientific definitions for diagonal

Adjective

Noun

British Dictionary definitions for diagonal