The Collaborative International Dictionary
Rhombogene
Rhombogene \Rhom"bo*gene\ (r[o^]m"b[-o]*j[=e]n), n. [Rhomb + root of Gr. gi`gnesqai to be born.] (Zo["o]l.) A dicyemid which produces infusorialike embryos; -- opposed to nematogene. See Dicyemata. [Written also rhombogen.]
Wiktionary
rhombogene
n. (context zoology English) A dicyemid that produces infusoria-like embryos.