my·e·lo·blas·to·ma \ˌ ̷ ̷ ̷ ̷ ̷ ̷ˌblaˈstōmə\noun (pluralmyeloblastomas \-məz\ ; ormyeloblastoma·ta \-məd.ə\) Etymology: New Latin, from International Scientific Vocabulary myeloblast + New Latin -oma 1.: a myeloma consisting of myeloblasts 2.: myelogenous leukemia