|hed.ərə|gänik adjective
or het·er·og·o·nous |hed.ə|rägənəs
Etymology: heterogony + -ic or -ous
1. : of, relating to, or characterized by heterogony ; especially : allometric
2. : being that course of development in which a generation of parasites is succeeded by a free-living generation — used of certain nematode worms; distinguished from homogonic