ミエローマミエローマMeanings1nounmyelomaMedical term for a cancer of plasma cells; often used in the compound 多発性骨髄腫 (たはつせいこつずいしゅ) for multiple myeloma.ミエローマは形けい質しつ細さい胞ぼうのがんです。Myeloma is a cancer of plasma cells.