Usually means: Line connecting opposite corners directly.
Definitions Related words Phrases (New!) Mentions Lyrics History
We found 38 dictionaries that define the word diagonal:

General (25 matching dictionaries)
  1. diagonal: Merriam-Webster.com
  2. diagonal: Oxford Learner's Dictionaries
  3. diagonal: American Heritage Dictionary of the English Language
  4. diagonal: Collins English Dictionary
  5. diagonal: Vocabulary.com
  6. Diagonal, diagonal: Wordnik
  7. diagonal: Cambridge Advanced Learner's Dictionary
  8. Diagonal, diagonal: Wiktionary
  9. diagonal: Webster's New World College Dictionary, 4th Ed.
  10. diagonal: The Wordsmyth English Dictionary-Thesaurus
  11. diagonal: Infoplease Dictionary
  12. diagonal: Dictionary.com
  13. diagonal: Online Etymology Dictionary
  14. diagonal: Cambridge Essential American English Dictionary
  15. Diagonal: Wikipedia, the Free Encyclopedia
  16. Diagonal: Online Plain Text English Dictionary
  17. diagonal: Webster's Revised Unabridged, 1913 Edition
  18. diagonal: Rhymezone
  19. diagonal, diagonal, diagonal: AllWords.com Multi-Lingual Dictionary
  20. diagonal: Webster's 1828 Dictionary
  21. diagonal: Free Dictionary
  22. diagonal: Mnemonic Dictionary
  23. diagonal: Dictionary/thesaurus

Art (1 matching dictionary)
  1. diagonal: ArtLex Lexicon of Visual Art Terminology

Business (3 matching dictionaries)
  1. Construction Term Glossary (No longer online)
  2. Diagonal: Deardorff's Glossary of International Economics
  3. diagonal: Legal dictionary

Computing (1 matching dictionary)
  1. diagonal: Encyclopedia

Medicine (1 matching dictionary)
  1. online medical dictionary (No longer online)

Miscellaneous (1 matching dictionary)
  1. diagonal, diagonal: Wordcraft Dictionary

Science (3 matching dictionaries)
  1. Diagonal: Eric Weisstein's World of Mathematics
  2. Botanical Terms (No longer online)
  3. diagonal: PlanetMath Encyclopedia

Slang (1 matching dictionary)
  1. diagonal: Urban Dictionary

Sports (1 matching dictionary)
  1. Diagonal: Chess Dictionary

Tech (1 matching dictionary)
  1. AUTOMOTIVE TERMS (No longer online)

(Note: See diagonals as well.)

Definitions from Wiktionary (
)
American English Definition British English Definition
adjective:  (geometry) Joining two nonadjacent vertices (of a polygon or polyhedron).
adjective:  Having slanted or oblique lines or markings.
adjective:  Having a slanted or oblique direction.
adjective:  Of or related to the cater-corner (diagonally opposite) legs of a quadruped, whether the front left and back right or front right and back left.
noun:  (geometry) A line joining non-adjacent vertices of a polygon.
noun:  Anything forming or resembling such a line, particularly:
noun:  (geometry) A line or plane at an oblique angle to another.
noun:  (fashion) A line or cut across a fabric at an oblique angle to its sides.
noun:  (typography, uncommon) Synonym of slash ⟨/⟩.
noun:  A city and town in Iowa.

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