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3 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 Radiata
 輻射動物

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 radiata

From: Webster's Revised Unabridged Dictionary (1913)

 Ra·di·a·ta n. pl.  Zool. An extensive artificial group of invertebrates, having all the parts arranged radially around the vertical axis of the body, and the various organs repeated symmetrically in each ray or spheromere.
 Note: ☞ It includes the cœlenterates and the echinoderms. Formerly, the group was supposed to be a natural one, and was considered one of the grand divisions of the animal kingdom.
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