tetragonal

T1E1T1R1A1G2O1N1A1L1
/tɛˈtɹæɡənəl/

adjective

Having four sides, like a tetragon.

Similar
quadrilateral
OriginProto-Indo-European *h₂élisder.? ← English tetragon ← Ancient Greek τετράγωνος (tetrágōnos) →
UncommonScrabble 11
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Meanings

adjectivetetragonal (not comparable)
  1. not comparableHaving four sides, like a tetragon.

    Synonyms: quadrilateral

  2. not comparablechemistryHaving two equal axes and one unequal, and all angles 90°.

    The eight normals of the tetragonal scalenohedron may carry the eight faces of a semiform in other ways than asymmetrically as regards the systematic planes.

    1895, Nevil Story-Maskelyne, Crystallography: A Treatise on the Morphology of Crystals, page 255

Synonyms & antonyms

adjectiveHaving four sides, like a tetragon.

Similar
quadrilateral

Origin

  1. Proto-Indo-European*kʷetwóres
  2. Proto-Hellenic*kʷétwores
  3. Ancient Greekτέσσᾰρες (téssăres)
  4. Ancient Greekτετρα- (tetra-)
  5. Proto-Indo-European*ǵónu
  6. Proto-Hellenic*gónu
  7. Proto-Hellenic*gonwía
  8. Ancient Greekγωνίᾱ (gōníā)
  9. Ancient Greekτετράγωνος (tetrágōnos)
  10. Englishtetragon
  11. Proto-Indo-European*h₂el-
  12. Proto-Indo-European*h₂élisder.?
  13. Englishtetragonal

From tetragon + -al.

Full word history & related roots →

Translations

Bulgarian тетрагонален
  • тетрагонален (tetragonalen)having two equal axes and one unequal, and all angle 90°
Chinese Mandarin 四方, 正方
  • 四方 (sìfāng)having two equal axes and one unequal, and all angle 90°
  • 正方 (zhèngfāng)having two equal axes and one unequal, and all angle 90°
Polish czworokątny, tetragonalny
  • czworokątnyhaving two equal axes and one unequal, and all angle 90°
  • tetragonalnyhaving two equal axes and one unequal, and all angle 90°

Rhymes & wordplay

Rhymes with tetragonal

diagonalhexagonaloctagonalpentagonaldecagonalheptagonalnonagonalsexagonaltriagonal
All rhymes →
Cite this entry
APA

tetragonal. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/tetragonal

MLA

“tetragonal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tetragonal. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “tetragonal,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/tetragonal.

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