polymyositis polymyoid • polymythic · · · Info · Definitions · Characters · · polymyositis · · Text Latin · · Script 12 · · Length 6 · · Syllables Definitions · · · (noun) myositis characterized by weakness of limb and neck muscles and much muscle pain and swelling; progression and severity vary among individuals. · · Noun Definition 1 Characters · · i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074 y latin small letter y U+0079