actin actify • actinal · · · Info · Definitions · Characters · · actin · · Text Latin · · Script 5 · · Length 2 · · Syllables Definitions · · · (noun) one of the proteins into which actomyosin can be split; can exist in either a globular or a fibrous form. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 i latin small letter i U+0069 n latin small letter n U+006E t latin small letter t U+0074