Entry 1 sense Webster, 1913 Rhombogene /(rŏm"bō̇*jēn)/ · Rhom·bo·gene · IPA 01 n. A dicyemid which produces infusorialike embryos; -- opposed to nematogene. See Dicyemata. 1. A dicyemid which produces infusorialike embryos; -- opposed to nematogene. See Dicyemata.(Zool.) See: Dicyemata