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actinin

[ak-tuh-nin] /ˈæk tə nɪn/
noun, Biochemistry.
1.
a contractile protein of muscle.
Origin of actinin
1970-1975
First recorded in 1970-75; actin + -in2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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