| exarticulation | Synonym: disarticulation. Origin: L. Ex, out, + articulus, joint (05 Mar 2000) |
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| exaspidean | <ornithology, zoology> Having the anterior scute extending around the tarsus on the outer side, leaving the inner side naked; said of certain birds. Origin: Gr. Out +,a shield. Source: Websters Dictionary (01 Mar 1998) |