my·e·lo·cy·to·ma \ˌmīəlōˌsīˈtōmə\noun (pluralmyelocytomas \-məz\ ; ormyelocytoma·ta \-məd.ə\) Etymology: New Latin, from International Scientific Vocabulary myelocyte + New Latin -oma : a tumor of which the typical cellular element is a myelocyte or a cell of similar differentiation • my·e·lo·cy·to·ma·to·sis\ˌ ̷ ̷ ̷ ̷ ̷ ̷ˌ ̷ ̷ˌtōməˈtōsə̇s\nounplural myelocytomatoses \-ˈtōˌsēz\