-gen·ic \|jenik, -nēk, in senses 3 & 4 |jēn- or |jen-\adjective combining form Etymology: International Scientific Vocabulary -gen & -geny + -ic 1.: producing : forming < carcinogenic > < acrogenic > 2.: produced by : formed from < nephrogenic > 3.[genic]: of or relating to a gene < intragenic > : having (a stipulated kind or number of) genes < polygenic > 4.[photogenic]: suitable for production or reproduction by a (given) medium < telegenic >