noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A protein involved in muscle contraction and related to myosin, and occurs together with troponin in the thin filaments of muscle tissue.

Etymology

From Ancient Greek τρόπος (trópos, “turn”, noun) + myosin.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.