echinoderm
英 [ekˈaɪ.nəʊ.dɜːm]
美 [ɪˈkaɪ.noʊ.dɝːm]
- n. [无脊椎] 棘皮动物
英语词源
- 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.