antidiagonal

English

Alternative forms

• anti-diagonal

Etymology

Etymology tree

Proto-Indo-European *h₂ent-

Proto-Indo-European *-s

Proto-Indo-European *h₂énts

Proto-Indo-European *-i

Proto-Indo-European *h₂énti

Ancient Greek ᾰ̓ντῐ́ (ăntĭ́)

Ancient Greek ἀντι- (anti-)der.

English anti-

English diagonal

English antidiagonal

From anti- + diagonal.

Noun

antidiagonal (plural antidiagonals)

1. (linear algebra) The diagonal of a matrix that leads from top-right towards bottom-left.

Synonyms

• counterdiagonal
• secondary diagonal
• minor diagonal

Derived terms

• antidiagonally

Translations

the diagonal of a matrix that leads from top-right towards bottom-left

• Greek: αντιδιαγώνιος (antidiagónios)
• Portuguese: antidiagonal f

See also

• main diagonal

Portuguese

Etymology

Etymology tree

Proto-Indo-European *h₂ent-

Proto-Indo-European *-s

Proto-Indo-European *h₂énts

Proto-Indo-European *-i

Proto-Indo-European *h₂énti

Ancient Greek ᾰ̓ντῐ́ (ăntĭ́)

Ancient Greek ἀντι- (anti-)der.

Portuguese anti-

Proto-Indo-European *dwóh₁

▲

Proto-Indo-European *trísinflu.

Proto-Indo-European *dwísder.

Ancient Greek διά (diá)

Ancient Greek δια- (dia-)

Proto-Indo-European *ǵónu

Proto-Hellenic *gónu

Proto-Hellenic *-ía

Proto-Hellenic *gonwía

Ancient Greek γωνίᾱ (gōníā)

Proto-Indo-European *-yósder.

Ancient Greek -ιος (-ios)

Ancient Greek διαγώνιος (diagṓnios)

Proto-Indo-European *h₂el-

Proto-Indo-European *-is

Proto-Indo-European *h₂élisder.?

Proto-Italic *-ālis

Latin -ālis

Latin diagōnālislbor.

Portuguese diagonal

Portuguese antidiagonal

From anti- + diagonal.

Pronunciation

• (Brazil) IPA^(key): /ˌɐ̃.t͡ʃi.d͡ʒi.aˈbɛ.t͡ʃi.ku/, (faster) /ˌɐ̃.t͡ʃi.d͡ʒjaˈbɛ.t͡ʃi.ku/

 

• (Portugal) IPA^(key): /ˌɐ̃.ti.di.ɐˈbɛ.ti.ku/ [ˌɐ̃.ti.ði.ɐˈβɛ.ti.ku], (faster) /ˌɐ̃.ti.djɐˈbɛ.ti.ku/ [ˌɐ̃.ti.ðjɐˈβɛ.ti.ku]

• (Portugal) IPA^(key): /ˌɐ̃.ti.di.ɐˈbɛ.ti.ku/ [ˌɐ̃.ti.ði.ɐˈβɛ.ti.ku], (faster) /ˌɐ̃.ti.djɐˈbɛ.ti.ku/ [ˌɐ̃.ti.ðjɐˈβɛ.ti.ku]
  • (Southern Portugal) IPA^(key): /ˌɐ̃.ti.di.ɐˈbɛ.ti.ku/, (faster) /ˌɐ̃.ti.djɐˈbɛ.ti.ku/

Noun

antidiagonal f (plural antidiagonais)

1. (linear algebra) antidiagonal (the diagonal of a matrix that leads from top-right towards bottom-left)