The Collaborative International Dictionary
Leucocytogenesis
Leucocytogenesis \Leu`co*cy`to*gen"e*sis\ (-s[imac]`t[-o]*j[e^]n"[-e]*s[i^]s), n. [Leucocyte + genesis.] (Physiol.) The formation of leucocytes.
Wiktionary
leucocytogenesis
n. (context physiology English) The formation of leucocytes.