- aff. a combining form often corresponding to nouns ending in-gen or -geny , with the following senses: “producing or causing” (hallucinogenic); “originating or developing in” (neurogenic); “pertaining to a gene or genes” (polygenic); “pertaining to suitability for reproduction by a medium” (telegenic). Compare -genous•Etymology: see -gen, -ic
From formal English to slang. 2014.