Het`er*œ"cious (?), a. [Hetero- + Gr. &?; house.] (Bot.) Passing through the different stages in its life history on an alternation of hosts, as the common wheat-rust fungus (Puccinia graminis), and certain other parasitic fungi; -- contrasted with autœcious. -- Het`er*œ"cism (#), n.

Het`er*œ"cious (?), a. [Hetero- + Gr. &?; house.] (Bot.) Passing through the different stages in its life history on an alternation of hosts, as the common wheat-rust fungus (Puccinia graminis), and certain other parasitic fungi; -- contrasted with autœcious. -- Het`er*œ"cism (#), n.