Dictionary.com
definitions
  • synonyms

actinin

[ak-tuh-nin]
See more synonyms on Thesaurus.com
noun Biochemistry.
  1. a contractile protein of muscle.

Origin of actinin

First recorded in 1970–75; actin + -in2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018