actomyosin

noun
ac·to·my·o·sin | \ ˌak-tə-ˈmī-ə-sən \

Definition of actomyosin 

: a contractile complex of actin and myosin that together with ATP is active during muscular contraction

First Known Use of actomyosin

1942, in the meaning defined above

History and Etymology for actomyosin

act(in) + -o- + myosin

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The first known use of actomyosin was in 1942

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actomyosin

noun
ac·to·my·o·sin | \ ˌak-tə-ˈmī-ə-sən \

Medical Definition of actomyosin 

: a viscous contractile complex of actin and myosin concerned together with ATP in muscular contraction

More from Merriam-Webster on actomyosin

Britannica.com: Encyclopedia article about actomyosin

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