noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The condition of being able to contract or shrink (used especially of muscles). countable, uncountable
2. 2
   the capability or quality of shrinking or contracting, especially by muscle fibers and even some other forms of living matter wordnet
3. 3
   The extent to which something contracts or shrinks. countable, uncountable
4. 4
   The performance of cardiac muscle. countable, uncountable

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