# diagonal

(redirected from Diagonal mapping)
Also found in: Thesaurus, Legal, Encyclopedia.
diagonal

## di·ag·o·nal

(dī-ăg′ə-nəl)
1. Mathematics
a. Joining two nonadjacent vertices of a polygon.
b. Joining two vertices of a polyhedron not in the same face.
2. Having a slanted or oblique direction.
3. Having oblique lines or markings.
4. Relating to or being the front left and back right feet or the front right and back left feet of a quadruped.
n.
1. Mathematics A diagonal line or plane.
2. Something, such as a row, course, or part, that is arranged obliquely.
3. A fabric woven with diagonal lines.
4. A virgule.

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

## diagonal

(daɪˈæɡənəl)
1. (Mathematics) maths connecting any two vertices that in a polygon are not adjacent and in a polyhedron are not in the same face
2. slanting; oblique
3. marked with slanting lines or patterns
n
4. (Mathematics) maths a diagonal line or plane
5. (Chess & Draughts) chess any oblique row of squares of the same colour
6. (Textiles) cloth marked or woven with slanting lines or patterns
7. something put, set, or drawn obliquely
8. (Printing, Lithography & Bookbinding) another name for solidus1
9. (Horse Training, Riding & Manège) 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
[C16: from Latin diagōnālis, from Greek diagōnios, from dia- + gōnia angle]

## di•ag•o•nal

(daɪˈæg ə nl, -ˈæg nl)

1.
a. connecting two nonadjacent angles or vertices of a polygon or polyhedron: a diagonal line.
b. extending from one edge of a solid figure to an opposite edge: a diagonal plane.
2. having an oblique direction.
3. having oblique lines or markings.
n.
4. a diagonal line or plane.
6. a diagonal row, part, or pattern.
[1535–45; < Latin diagōnālis < Greek diagṓn(ios) from angle to angle (see dia-, -gon)]

## di·ag·o·nal

(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.
Noun
A diagonal line segment.
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 diagonal - (geometry) a straight line connecting any two vertices of a polygon that are not adjacentgeometry - the pure mathematics of points and lines and curves and surfacesstraight line - a line traced by a point traveling in a constant direction; a line of zero curvature; "the shortest distance between two points is a straight line" 2 diagonal - a line or cut across a fabric that is not at right angles to a side of the fabricbiasstraight line - a line traced by a point traveling in a constant direction; a line of zero curvature; "the shortest distance between two points is a straight line" 3 diagonal - an oblique line of squares of the same color on a checkerboard; "the bishop moves on the diagonals"checker board, checkerboard - a board having 64 squares of two alternating colorsmain diagonal, principal diagonal - the diagonal of a square matrix running from the upper left entry to the lower right entrysecondary diagonal - the diagonal of a square matrix running from the lower left entry to the upper right entryline - a formation of people or things one behind another; "the line stretched clear around the corner"; "you must wait in a long line at the checkout counter"line - a formation of people or things one beside another; "the line of soldiers advanced with their bayonets fixed"; "they were arrayed in line of battle"; "the cast stood in line for the curtain call" 4 diagonal - (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 entrymath, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangementset - (mathematics) an abstract collection of numbers or symbols; "the set of prime numbers is infinite"square matrix - a matrix with the same number of rows and columns 5 diagonal - a punctuation mark (/) used to separate related items of informationpunctuation mark, punctuation - the marks used to clarify meaning by indicating separation of words into sentences and clauses and phrases Adj. 1 diagonal - 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"oblique - slanting or inclined in direction or course or position--neither parallel nor perpendicular nor right-angled; "the oblique rays of the winter sun"; "acute and obtuse angles are oblique angles"; "the axis of an oblique cone is not perpendicular to its base" 2 diagonal - having an oblique or slanted directioninclined - at an angle to the horizontal or vertical position; "an inclined plane"

## diagonal

adjective slanting, angled, oblique, cross, crosswise, crossways, cater-cornered (U.S. informal), cornerways a pattern of diagonal lines

## diagonal

Angled at a slant:
Translations
úhlopříčkaúhlopříčný
diagonal
vinolävistäjäviisto
dijagonalan
átlósferderézsútosátló
hornalína

대각선의
diagonalėįstrižaiįstrižainė
diagonāle
uhlopriečka
diagonal
ทแยงมุม
chéo

[daɪˈægənl]
B. N

[daɪˈægənəl]
n (= line) →

nDiagonale f

## diagonal

(daiˈӕgənl) noun
a line going from one corner to the opposite corner. The two diagonals of a rectangle cross at the centre.