tribosphenic

T1R1I1B3O1S1P3H4E1N1I1C3

adjective

Describing the original placental molars that have a talonid in the lower molar teeth, where the protocone of the upper teeth hits. Definied by George Gaylord Simpson in 1936.

Scrabble 21

Meanings

adjectivetribosphenic (comparative more tribosphenic, superlative most tribosphenic)

comparative more tribosphenic · superlative most tribosphenic

  1. biologyDescribing the original placental molars that have a talonid in the lower molar teeth, where the protocone of the upper teeth hits. Definied by George Gaylord Simpson in 1936.

Origin

  1. Ancient Greekσφήν“wedge”
  2. Ancient Greekτριβεo“rub, grind or pound”
  3. Englishtribosphenic

Combining form from Ancient Greek τριβεo (tribeo, “rub, grind or pound”) and Ancient Greek σφήν (sphḗn, “wedge”).

Full word history & related roots →
Cite this entry
APA

tribosphenic. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/tribosphenic

MLA

“tribosphenic.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tribosphenic. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “tribosphenic,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/tribosphenic.

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