noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of a large family of motor proteins found in eukaryotic tissues, allowing mobility in muscles. countable, uncountable
2. 2
   the commonest protein in muscle; a globulin that combines with actin to form actomyosin wordnet
3. 3
   An albuminous body present in dead muscle formed in the process of coagulation which takes place in rigor mortis. countable, uncountable

Etymology

From myo- (“relating to muscle”), and Ancient Greek μυός (muós), genitive of μῦς (mûs, “muscle”) + -in.

Related phrases

rigor mortis

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