Definition of myosin in English:

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myosin

Pronunciation: /ˈmīəsən/

noun

Biochemistry
A fibrous protein that forms (together with actin) the contractile filaments of muscle cells and is also involved in motion in other types of cells.
Example sentences
  • Muscle is composed of mainly three types of protein filaments: myosin, actin, and titin.
  • In a contracting muscle myosin and actin filaments slide past each other as the muscle fiber shortens.
  • Muscle contraction is dependent on two proteins, actin and myosin.

For editors and proofreaders

Syllabification: my·o·sin

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