You can find definition of actin below. Words can have several meanings depending on the context. Their meaning may vary depending on where they are used. Please choose approriate definition according to part of speech and context. We have found only one definition of actin. actin is a 5 letter word. It starts with a and ends with n.
one of the proteins into which actomyosin can be split; can exist in either a globular or a fibrous form