Meanings
comparative more tribosphenic · superlative most tribosphenic
- 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
- Ancient Greekσφήν“wedge”
- Ancient Greekτριβεo“rub, grind or pound”
- Englishtribosphenic
Combining form from Ancient Greek τριβεo (tribeo, “rub, grind or pound”) and Ancient Greek σφήν (sphḗn, “wedge”).
More words from Ancient Greek
Full word history & related roots →Cite this entry
tribosphenic. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/tribosphenic
“tribosphenic.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tribosphenic. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “tribosphenic,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/tribosphenic.
Source: tribosphenic on Wiktionary, CC BY-SA 4.0.