diagonal
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.
a diagonal line or plane.
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.
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
1Other 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use diagonal in a sentence
Basically, it gives a rough measurement of the diagonal line you could draw between the bottom left and the upper right corners.
The probability that they would guess correctly was the fraction of the area that was on the “correct” side of the diagonal dividing line.
Are You Smarter Than A Fourth-Grader? | Zach Wissner-Gross (riddlercolumn@gmail.com) | May 14, 2021 | FiveThirtyEightThe first night, they fell asleep on a diagonal sofa, happy and warm.
Texas is frozen and in crisis. A furniture store owner has emerged as a hero — again. | Cathy Free | February 18, 2021 | Washington PostPro skier Drew Petersen teamed up with Salomon TV and Switchback Entertainment to demonstrate the diagonal and A-frame ski-carry techniques.
In further simulations, they varied the number of diagonals as well as their spacing and thickness to find the lattice that could sustain the most compression.
The Curious Strength of a Sea Sponge’s Glass Skeleton | Elena Renken | January 11, 2021 | Quanta Magazine
The young man weaves through clusters of bamboo and cuts a diagonal slash into a tree, positioning a hollow log at the end.
But early on, his fictional people so often took the easy diagonal cut for betrayal.
Don Carpenter Was a Novelist Both Lacerating and Forgiving | Louis B. Jones | July 14, 2014 | THE DAILY BEASTA 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 | THE DAILY BEASTOthers 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 | THE DAILY BEASTI bought wine and I made a wine list and it was the first wine list of its kind: vertical, horizontal, and diagonal.
The pillars are strengthened against lateral yielding by horizontal and diagonal bracing.
It was built at Chatham, from the design of Mr. Oliver Lang, of mahogany and on the diagonal principle.
Yachting Vol. 2 | Various.Construction: diagonal principle, Dantzic oak without, horizontal planking of Italian larch.
Yachting Vol. 2 | Various.At the left of the doorway, a bay window, also heavily curtained, is set into the diagonal wall.
Fifty Contemporary One-Act Plays | VariousAt (a) the diagonal lines are used to distinguish the flat side of the neck from the round part of the bolt above it.
An Introduction to Machine Drawing and Design | David Allan Low
British Dictionary definitions for diagonal
/ (daɪˈæɡənəl) /
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
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
Origin of diagonal
1Derived forms of diagonal
- diagonally, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for diagonal
[ dī-ăg′ə-nəl ]
Connecting two nonadjacent corners in a polygon or two nonadjacent corners in a polyhedron that do not lie in the same face.
A diagonal line segment.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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