a. [f. ZOO- + -genic, adj. suffix of -GENY.] a. Pertaining to zoogeny (rare–0). b. Produced from animals; in Geol. applied to formations of animal origin, e.g., limestones formed from shells.
1864. Webster, Zoogenic, of, or pertaining to, animal production.
1866. Lawrence, trans. Cotta’s Rocks Classified, 360. Zoogenic deposits are products of animal agency.
