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diagonal line

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Synonyms of diagonal

beveled, biased, oblique, slanted, slanting, bias, crosswise, transversal,

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8 dictionary results for: diagonal

Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

di·ag·o·nal

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

–adjective

Mathematics.

a.	connecting two nonadjacent angles or vertices of a polygon or polyhedron, as a straight line.

b.	extending from one edge of a solid figure to an opposite edge, as a plane.

2.	having an oblique direction.

3.	having oblique lines, ridges, markings, etc.

–noun

4.	a diagonal line or plane.

virgule.

6.	a diagonal row, part, pattern, etc.

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

8.	diagonal cloth.

9.	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).

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

[Origin: 1535–45; < L diagōnālis < Gk diagn(ios) from angle to angle (see dia-, -gon) + L -ālis -al¹

]

—Related forms

di·ag·o·nal·ly, adverb

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

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American Heritage Dictionary - Cite This Source - Share This

di·ag·o·nal (dī-āg'ə-nəl) Pronunciation Key

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adj.

Mathematics
1. Joining two nonadjacent vertices of a polygon.
2. Joining two vertices of a polyhedron not in the same face.
Having a slanted or oblique direction.
Having oblique lines or markings.
Relating to or being the front left and back right feet or the front right and back left feet of a quadruped.

Mathematics A diagonal line or plane.
Something, such as a row, course, or part, that is arranged obliquely.
A fabric woven with diagonal lines.
A virgule.

[Latin diagōnālis, from Greek diagōnios, from angle to angle : dia-, dia- + gōniā, angle, corner; see genu-¹ in Indo-European roots.]

di·ag'o·nal·ly adv.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

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Online Etymology Dictionary - Cite This Source - Share This
diagonal

1541, from M.Fr. diagonal, from L. diagonalis, from diagonus "slanting line," from Gk. diagonios "from angle to angle," from dia- "across" + gonia "angle," related to gony "knee" (see knee).

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WordNet - Cite This Source - Share This

diagonal
adjective
1.	connecting two nonadjacent corners of a plane figure or any two corners of a solid that are not in the same face; "a diagonal line across the page"
2.	having an oblique or slanted direction [syn: aslant]
noun
1.	(geometry) a straight line connecting any two vertices of a polygon that are not adjacent
2.	a line or cut across a fabric that is not at right angles to a side of the fabric
3.	an oblique line of squares of the same color on a checkerboard; "the bishop moves on the diagonals"
4.	(mathematics) a set of entries in a square matrix running diagonally either from the upper left to lower right entry or running from the upper right to lower left entry
5.	a punctuation mark (/) used to separate related items of information [syn: solidus]

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The American Heritage Science Dictionary - Cite This Source - Share This

diagonal (dī-āg'ə-nəl) Pronunciation Key
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.

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U.S. Gazetteer - Cite This Source - Share This

Diagonal, IA (city, FIPS 21270) Location: 40.81077 N, 94.34124 W
Population (1990): 298 (155 housing units)
Area: 2.4 sq km (land), 0.0 sq km (water)
Zip code(s): 50845

U.S. Gazetteer, U.S. Census Bureau

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Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Diagonal

Di*ag"o*nal\, a. [L. diagonalis, fr. Gr. ? from to angle; dia` through + ? an angle; perh. akin to E. knee: cf. F. diagonal.] (Geom.) Joining two not adjacent angles of a quadrilateral or multilateral figure; running across from corner to corner; crossing at an angle with one of the sides.

Diagonal bond (Masonry), herringbone work. See Herringbone, a.

Diagonal built (Shipbuilding), built by forming the outer skin of two layers of planking, making angles of about 45[deg] with the keel, in opposite directions.

Diagonal cleavage. See under Cleavage.

Diagonal molding (Arch.), a chevron or zigzag molding.

Diagonal rib. (Arch.) See Cross-springer.

Diagonal scale, a scale which consists of a set of parallel lines, with other lines crossing them obliquely, so that their intersections furnish smaller subdivisions of the unit of measure than could be conveniently marked on a plain scale.

Diagonal stratification. (Geol.) Same as Cross bedding, under Cross, a.

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Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Diagonal

Di*ag"o*nal\, n. 1. A right line drawn from one angle to another not adjacent, of a figure of four or more sides, and dividing it into two parts.

2. (Engin.) A member, in a framed structure, running obliquely across a panel.

3. A diagonal cloth; a kind of cloth having diagonal stripes, ridges, or welts made in the weaving.

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