Pronunciation: (mī"u-lō'mu), [key]
—pl. -mas, -ma•taPronunciation: (-mu-tu). [key] Pathol.
a tumor of plasma cells, arising in bone marrow, and often occurring at multiple sites, as in the vertebrae and flat skull bones. Cf. multiple myeloma.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.