多發性 duōfāxìng frequently occurring Origin Definitions Defs Strokes Stroke Words Sentences Sents 多发性硬化症 duōfāxìngyìnghuàzhèng multiple sclerosis 多发性骨髓瘤 duōfāxìnggǔsuǐliú multiple myeloma (medicine) a type of cancer that forms in a type of white blood cell called a plasma cell