echinoderm

英 [ɪ'kaɪnə(ʊ)dɜːm; 'ekɪn-]美 [ɛ'kaɪnə,dɝm]

n. [无脊椎] 棘皮动物

英文词源

echinoderm (n.)

1834, from Modern Latin Echinodermata, name of the phylum that includes starfish and sea urchins, from Latinized form of Greek ekhinos "sea urchin," originally "porcupine, hedgehog" (see echidna) + derma (genitive dermatos) "skin" (see derma); so called from its spiky shell. Related: Echinodermal.

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