n.
Pronunciation: ˌ m ī - ə -l ō -f ī - ' br ō -s ə s
Function: noun
Etymology: New Latin
Date: 1947
: an anemic condition in which bone marrow becomes fibrotic and the liver and spleen usually exhibit a development of blood-cell precursors
– my · e · lo · fi · brot · ic \ - ' brä-tik \ adjective