a. Bot. [f. as prec. + ξέν-ος a host + -OUS.] Deserting its host; said of certain parasitic fungi which after a time quit the plant which served as a host for them. So Lipoxeny, the phenomenon of desertion of the ‘host’ by parasites.
1887. Garnsey, trans. De Bary’s Fungi, 388, 496.
