diagonal

See also: Diagonal

English

English Wikipedia has an article on:

diagonal

Wikipedia

Etymology

From Middle French diagonal, from Latin diagōnālis, from Ancient Greek διαγώνιος (diagṓnios, “from angle to angle”), from διά (diá, “across”) + γωνία (gōnía, “angle”).

Pronunciation

• (Received Pronunciation, General American, Canada) IPA^(key): /daɪˈæɡənəl/, /daɪˈæɡnəl/

  • Audio (Southern England):

    (file)

• (General Australian) IPA^(key): /dɑeˈæɡənəl/
• (Indic) IPA^(key): /ɖəj(ə)ɡ(ɵ)nəl/
• Rhymes: -æɡənəl, -æɡnəl

Adjective

diagonal (not comparable)

1. (geometry) Joining two nonadjacent vertices (of a polygon or polyhedron).
2. Having slanted or oblique lines or markings.
3. Having a slanted or oblique direction.
   • 2011 January 12, Saj Chowdhury, “Liverpool 2 - 1 Liverpool”, in BBC‎:

     The visitors' undoing was caused by a diagonal ball from the right which was nodded into the six-yard area by Ian Evatt and finished off by Campbell.

4. 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.

Synonyms

• (having a slanted or oblique direction): aslant, aslope, slanted, slanting, sloped, sloping

Derived terms

• bidiagonal
• brachydiagonal
• clinodiagonal
• diagonalisation
• diagonality
• diagonalize
• diagonalness
• diagonalwise
• diagrid
• dikes
• dykes
• equidiagonal
• gyrodiagonal
• heptadiagonal
• macrodiagonal
• nondiagonal
• offdiagonal
• orthodiagonal
• pandiagonal
• pentadiagonal
• quasidiagonal
• subdiagonal
• superdiagonal
• tridiagonal

Translations

geometry: joining two nonadjacent vertices

Arabic: مَائِل (māʔil), قُطْرِيّ (ar) (quṭriyy) Bulgarian: диагона́лен (diagonálen) Catalan: diagonal (ca) Chinese: Mandarin: 對角 / 对角 (zh) (duìjiǎo) Czech: diagonální (cs) Dutch: diagonaal (nl) Esperanto: diagonala Finnish: lävistävä, diagonaalinen (fi) French: diagonale (fr) German: diagonal (de), schräg (de) Greek: Classical Greek: διαγώνιος (diagṓnios) Hebrew: אלכסוני (alakhsony) Hindi: विकर्ण (hi) (vikarṇ) Hungarian: átlós (hu) Italian: diagonale (it) Japanese: 筋交い (ja) (すじかい, sujikai), 対角 (ja) (たいかく, taikaku) Latin: diagonalis, diagonios Persian: تراگوشه (tarâguše), تراکنج (tarâkonj) Polish: przekątny, skośny (pl), diagonalny (pl) Portuguese: diagonal (pt) Romanian: diagonal (ro) Russian: диагона́льный (ru) (diagonálʹnyj), диагона́ль (ru) f (diagonálʹ) Slovak: diagonálny (sk) Spanish: diagonal (es) Swedish: diagonal (sv) Tagalog: hilis Ukrainian: діагона́льний (diahonálʹnyj)

having a slanted or oblique direction

Bulgarian: кос (bg) (kos) Catalan: diagonal (ca) Chinese: Mandarin: 對角 / 对角 (zh) (duìjiǎo) Dutch: diagonaal (nl) Finnish: vino (fi), viisto (fi), vinottainen Hebrew: אלכסוני (alakhsony) Hungarian: rézsútos (hu), ferde (hu), átlós (hu) Italian: diagonale (it) Macedonian: кос (kos) Portuguese: diagonal (pt) Romanian: diagonal (ro), oblic (ro), înclinat (ro) Russian: диагона́льный (ru) (diagonálʹnyj), косо́й (ru) (kosój) Spanish: diagonal (es) Swedish: diagonal (sv)

of, or relating the legs of quadruped

Finnish: diagonaalinen (fi) Swedish: diagonal (sv)

Noun

diagonal (plural diagonals)

1. (geometry) A line joining non-adjacent vertices of a polygon.
2. Anything forming or resembling such a line, particularly:
   1. (geometry) A line or plane at an oblique angle to another.
   2. (fashion) A line or cut across a fabric at an oblique angle to its sides.
   3. (typography, uncommon) Synonym of slash ⟨/⟩.
      • 1965, Dmitri A. Borgmann, Language on Vacation, page 240:

        Initial inquiries among professional typists uncover names like slant, slant line, slash, and slash mark. Examination of typing instruction manuals discloses additional names such as diagonal and diagonal mark, and other sources provide the designation oblique.

Synonyms

• (oblique line or cut across a fabric): bias
• (oblique punctuation mark): See slash

Antonyms

• (antonym(s) of “oblique punctuation mark”): See backslash

Derived terms

• antidiagonal
• broken diagonal
• counterdiagonal
• diagonal argument
• diagonal calendar
• diagonal element
• diagonalization
• diagonalize
• diagonally
• diagonal mark
• diagonal matrix
• diagonal morphism
• diagonal scale
• diagonal spread
• leading diagonal
• main diagonal
• minor diagonal
• secondary diagonal

Translations

something forming or resembling a diagonal line

Bulgarian: диагонал (bg) m (diagonal) Dutch: diagonaal (nl) Finnish: diagonaali (fi), lävistäjä (fi), halkaisija (fi), viistorivi (fi), viisto (fi) French: diagonale (fr) f German: Diagonale (de) f Hebrew: אֲלָכְסוֹן (he) m (alakhsón) Irish: trasnán m Italian: diagonale (it) Kazakh: диагональ (diagonal) Maori: hōkai, hauroki Portuguese: diagonal (pt) f Romanian: diagonală (ro) f Russian: диагона́ль (ru) f (diagonálʹ) Swedish: diagonal (sv) Ukrainian: перекутня f (perekutnja)

line or cut across a fabric

Dutch: diagonaal (nl)

slash — see slash

geometry: diagonal line or plane

Bengali: কর্ণ (bn) (korno) Bulgarian: диагонал (bg) m (diagonal) Catalan: diagonal (ca) f Czech: uhlopříčka f (only line?), diagonála f (only line?) Dutch: diagonaal (nl) Finnish: lävistäjä (fi) Hebrew: אלכסון (he) m (alakhson) Hungarian: átló (hu) Irish: trasnán m Italian: diagonale (it) Japanese: 斜め (ja) (naname) Latin: linea diagonalis f, diagonalis f, diagonus m Maori: hauroki Navajo: dinéenáago ídzoh Polish: diagonal (pl) m, diagonala f Portuguese: diagonal (pt) f Romanian: diagonală (ro) f Sanskrit: कर्ण (sa) (karṇa) Spanish: diagonal (es) f Swedish: diagonal (sv) Tagalog: hilis

Anagrams

• ganoidal, gonadial

Catalan

Etymology

Borrowed from Latin diagōnālis, from Ancient Greek διαγώνιος (diagṓnios, “from angle to angle”).

Pronunciation

• IPA^(key): (Central) [di.ə.ɣuˈnal]
• IPA^(key): (Balearic) [di.ə.ɣoˈnal]
• IPA^(key): (Valencia) [di.a.ɣoˈnal]

• Audio (Barcelona):

  (file)

Adjective

diagonal m or f (masculine and feminine plural diagonals)

1. diagonal

Derived terms

• diagonalment

Noun

diagonal f (plural diagonals)

1. diagonal

Crimean Tatar

Etymology

Borrowed from Russian диагональ (diagonalʹ).

Noun

diagonal

1. diagonal

Declension

Declension of diagonal

	singular	plural
nominative	diagonal	diagonallar
genitive	diagonalnıñ	diagonallarnıñ
dative	diagonalğa	diagonallarğa
accusative	diagonalnı	diagonallarnı
locative	diagonalda	diagonallarda
ablative	diagonaldan	diagonallardan

References

• “diagonal”, in Luğatçıq (in Russian)

Danish

Danish Wikipedia has an article on:

diagonal

Wikipedia ^da

Pronunciation

• IPA^(key): /diaɡonaːl/, [d̥iaɡ̊oˈnæːˀl]

Adjective

diagonal

1. diagonal

Inflection

Inflection of diagonal

	positive	comparative	superlative
indefinite common singular	diagonal	—	—2
indefinite neuter singular	diagonalt	—	—2
plural	diagonale	—	—2
definite attributive1	diagonale	—	—

¹ When an adjective is applied predicatively to something definite,
the corresponding "indefinite" form is used.
² The "indefinite" superlatives may not be used attributively.

Noun

diagonal c (singular definite diagonalen, plural indefinite diagonaler)

1. diagonal

Declension

Declension of diagonal

common gender	singular		plural
	indefinite	definite	indefinite	definite
nominative	diagonal	diagonalen	diagonaler	diagonalerne
genitive	diagonals	diagonalens	diagonalers	diagonalernes

References

• “diagonal” in Den Danske Ordbog

French

Etymology

Borrowed from Latin diagōnālis.

Pronunciation

• Audio (France (Lyon)):

  (file)

Adjective

diagonal (feminine diagonale, masculine plural diagonaux, feminine plural diagonales)

1. diagonal, transverse, oblique

Derived terms

• diagonalement

Descendants

• → Polish: diagonal

Further reading

• “diagonal”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

Galician

Etymology

From Latin diagōnālis.

Adjective

diagonal m or f (plural diagonais)

1. diagonal

Derived terms

• diagonalmente

Further reading

• “diagonal”, in Dicionario da Real Academia Galega (in Galician), A Coruña: Royal Galician Academy, 2012–2025

German

Etymology

From Latin diagōnālis, from Ancient Greek διαγώνιος (diagṓnios, “from angle to angle”).

Pronunciation

• Audio (Germany (Berlin)):

  (file)

• Rhymes: -aːl

Adjective

diagonal (strong nominative masculine singular diagonaler, not comparable)

1. diagonal

Declension

Positive forms of diagonal (uncomparable)

number & gender		singular			plural
		masculine	feminine	neuter
predicative		er ist diagonal	sie ist diagonal	es ist diagonal	sie sind diagonal
strong declension (without article)	nominative	diagonaler	diagonale	diagonales	diagonale
	genitive	diagonalen	diagonaler	diagonalen	diagonaler
	dative	diagonalem	diagonaler	diagonalem	diagonalen
	accusative	diagonalen	diagonale	diagonales	diagonale
weak declension (with definite article)	nominative	der diagonale	die diagonale	das diagonale	die diagonalen
	genitive	des diagonalen	der diagonalen	des diagonalen	der diagonalen
	dative	dem diagonalen	der diagonalen	dem diagonalen	den diagonalen
	accusative	den diagonalen	die diagonale	das diagonale	die diagonalen
mixed declension (with indefinite article)	nominative	ein diagonaler	eine diagonale	ein diagonales	(keine) diagonalen
	genitive	eines diagonalen	einer diagonalen	eines diagonalen	(keiner) diagonalen
	dative	einem diagonalen	einer diagonalen	einem diagonalen	(keinen) diagonalen
	accusative	einen diagonalen	eine diagonale	ein diagonales	(keine) diagonalen

Further reading

• “diagonal” in Digitales Wörterbuch der deutschen Sprache
• “diagonal” in Uni Leipzig: Wortschatz-Lexikon