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单词 placodermatous
释义

placodermatousadj.

Origin: Formed within English, by compounding; probably modelled on a Latin lexical item. Etymons: placo- comb. form, -dermatous comb. form.
Etymology: < placo- comb. form + -dermatous comb. form, probably after scientific Latin Placodermata, class name (1859 or earlier: see placoderm n. and adj.). Compare placodermoid adj., and slightly earlier placodermal adj. at placoderm n. and adj. Derivatives.
Palaeontology. Obsolete. rare.
Designating, relating to, or resembling a placoderm.
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the world > animals > fish > superclass Agnatha > [adjective] > of Chondrichthyes > resembling placoderms
placodermatous1889
placodermoid1889
1889 H. A. Nicholson & R. Lydekker Man. Palæontol. (ed. 3) II. 1001 Points in which the Siluroids resemble the Placodermatous Ganoids.
This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2020).
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adj.1889
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