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Definition of Diagonal in English :

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Diagonal meaning in English

Meaning of Diagonal in English

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Diagonal pronunciation in English

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Diagonal

see synonyms of diagonal

Noun

1. diagonal

(geometry) a straight line connecting any two vertices of a polygon that are not adjacent

2. bias, diagonal

a line or cut across a fabric that is not at right angles to a side of the fabric

3. diagonal

an oblique line of squares of the same color on a checkerboard

Example Sentences:
'the bishop moves on the diagonals'

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 entry

5. diagonal, separatrix, slash, solidus, stroke, virgule

a punctuation mark (/) used to separate related items of information

Adjective

6. diagonal

connecting two nonadjacent corners of a plane figure or any two corners of a solid that are not in the same face

Example Sentences:
'a diagonal line across the page'

7. aslant, aslope, diagonal, slanted, slanting, sloped, sloping

having an oblique or slanted direction

WordNet Lexical Database for English. Princeton University. 2010.

Diagonal

see synonyms of diagonal
adjective
1. mathematics
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
noun
4. mathematics
a diagonal line or plane
5. chess
any oblique row of squares of the same colour
6. 
cloth marked or woven with slanting lines or patterns
7. 
something put, set, or drawn obliquely
8.  another name for solidus (sense 1)
9. 
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

Collins English Dictionary. Copyright © HarperCollins Publishers

Diagonal

see synonyms of diagonal
adjective
1. 
extending between the vertices of any two nonadjacent angles in a polygonal figure or between any two vertices not in the same face in a polyhedral figure; extending slantingly between opposite corners
2. 
moving or extending obliquely, esp. at a 45° angle; slanting
3. 
having slanting markings, lines, etc.
noun
4. 
a. 
a diagonal line or plane
b. 
virgule
5. 
any diagonal course, row, order, or part
6. 
cloth woven with diagonal lines; twill

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.

Diagonal

see synonyms of diagonal
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.
adj.
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.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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