melanoblastoma
noun
me·la·no·blas·to·ma
| \ mə-ˌlan-ə-blas-ˈtō-mə
, ˌmel-ə-nō-
\
, ˌmel-ə-nō-
\
plural melanoblastomas
also melanoblastomata\ -mət-ə
\
\
Medical Definition of melanoblastoma
: a malignant tumor derived from melanoblasts