echinoid

enUK

e·chi·noid

E0027000 (ĭ-kī′noid′)n. An echinoderm of the class Echinoidea, which includes the sand dollars and sea urchins.

echinoid

(ɪˈkaɪnɔɪd; ˈɛkə-) n (Animals) any of the echinoderms constituting the class Echinoidea, typically having a rigid ovoid body. The class includes the sea urchins and sand dollarsadj (Animals) of or belonging to this class

e•chi•noid

(ɪˈkaɪ nɔɪd, ˈɛk əˌnɔɪd)

n. 1. any echinoderm of the class Echinoidea, comprising sea urchins and sand dollars, characterized by a rounded, armless body and a rigid endoskeleton with movable spines. adj. 2. of, belonging to, or resembling the echinoids. [1850–55; < New Latin Echinoidea; see echinus, -oidea]

单词	echinoid
释义	echinoid enUK e·chi·noid E0027000 (ĭ-kī′noid′)n. An echinoderm of the class Echinoidea, which includes the sand dollars and sea urchins. echinoid (ɪˈkaɪnɔɪd; ˈɛkə-) n (Animals) any of the echinoderms constituting the class Echinoidea, typically having a rigid ovoid body. The class includes the sea urchins and sand dollarsadj (Animals) of or belonging to this class e•chi•noid (ɪˈkaɪ nɔɪd, ˈɛk əˌnɔɪd) n. 1. any echinoderm of the class Echinoidea, comprising sea urchins and sand dollars, characterized by a rounded, armless body and a rigid endoskeleton with movable spines. adj. 2. of, belonging to, or resembling the echinoids. [1850–55; < New Latin Echinoidea; see echinus, -oidea] EncyclopediaSeeEchinoidea echinoid enUK echinoid any of the ECHINODERMS of the class Echinoidea, including the sea urchins.
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