actinin

[ ak-tuh-nin ]
/ ˈæk tə nɪn /

noun Biochemistry.

a contractile protein of muscle.

Origin of actinin

First recorded in 1970–75; actin + -in2

Words nearby actinin

actinic keratosis, actinic ray, actinide, actinide series, actiniform, actinin, actinism, actinium, actinium series, actino-, actinobacillosis