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Word of the Day Wednesday, June 10, 2026

myosin

/maɪˈoʊsɪn/ noun · British & US
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What does myosin mean?

noun

A type of motor protein that moves along actin filaments in muscle cells, playing a crucial role in muscle contraction and relaxation. Myosin is a key component of the muscle contraction machinery.

Example

"The researchers studied the role of myosin in muscle cell contraction and found that it was essential for proper muscle function."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for myosin

Rhymes with myosin

Etymologically related