birectangular

B3I1R1E1C3T1A1N1G2U1L1A1R1

adjective

Containing two right angles.

“Unlike a normal triangle, a spherical triangle can be birectangular because the sum of its angles is greater than 180 degrees.”

OriginEnglish rectangular ← Latin bi- ← Proto-Italic *dwi- →
Scrabble 18
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Meanings

adjectivebirectangular (not comparable)
  1. not comparableContaining two right angles.

    Unlike a normal triangle, a spherical triangle can be birectangular because the sum of its angles is greater than 180 degrees.

Origin

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Italic*dwi-
  4. Latinbi-
  5. Englishbi-
  6. Englishrectangular
  7. Englishbirectangular

From bi- + rectangular.

Full word history & related roots →
Cite this entry
APA

birectangular. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/birectangular

MLA

“birectangular.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/birectangular. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “birectangular,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/birectangular.

Source: birectangular on Wiktionary, CC BY-SA 4.0.