Theaetetus

T1H4E1A1E1T1E1T1U1S1

proper noun

A classical Greek mathematician credited with proving that there are precisely five regular convex polyhedra.

OriginAncient Greek Θεαίτητος →
UncommonScrabble 13
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Meanings

proper noun
  1. A classical Greek mathematician credited with proving that there are precisely five regular convex polyhedra.
  2. A later middle dialogue of Plato concerning epistemology.
  3. A lunar impact crater 2.8 kilometres in depth and 25 kilometres in diameter, located southeast of the crater Cassini, near the eastern edge of Mare Imbrium.

Origin

  1. Ancient GreekΘεαίτητος
  2. EnglishTheaetetus

From Ancient Greek Θεαίτητος (Theaítētos); the mathematician is the eponym of the dialogue and the lunar crater.

More words from Ancient Greek

Full word history & related roots →

Translations

Catalan Teetet
  • Teeteta classical Greek mathematician
Finnish Theaitetos
  • Theaitetosa classical Greek mathematician
French Théétète
  • Théétètea classical Greek mathematician
Portuguese Teeteto
  • Teetetoa classical Greek mathematician
Russian Теэтет
  • Теэтет (Teetet)a classical Greek mathematician
Cite this entry
APA

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

MLA

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

Chicago

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

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