| 释义 |
Definition of defaunation in English: defaunationnoun ˌdiːfɔːˈneɪʃn 1The removal of parasitic or symbiotic protozoans or invertebrates from a host organism or a part of its body, specifically the elimination of the ciliate protozoan population in the rumen of a ruminant; an instance of this. 2Destruction or loss of (part of) the animal life of a region, habitat, etc.; an instance of this.
Origin 1920s. From de- + fauna + -ation, after depopulation. Definition of defaunation in US English: defaunationnounˌdiːfɔːˈneɪʃn 1The removal of parasitic or symbiotic protozoans or invertebrates from a host organism or a part of its body, specifically the elimination of the ciliate protozoan population in the rumen of a ruminant; an instance of this. 2Destruction or loss of (part of) the animal life of a region, habitat, etc.; an instance of this.
Origin 1920s. From de- + fauna + -ation, after depopulation. |