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zooid n. 芽虫 芽虫 zooid n 1: one of the distinct individuals forming a colonial animal such as a bryozoan or hydrozoan Zooid \Zo"oid\, a. [Zoo- -oid.] (Biol.)
Pertaining to, or resembling, an animal. [1913 Webster] Zooid \Zo"oid\, n. 1. (Biol.) An organic body or cell having locomotion, as a spermatic cell or spermatozooid. [1913 Webster] 2. (Zool.) (a) An animal in one of its inferior stages of development, as one of the intermediate forms in alternate generation. (b) One of the individual animals in a composite group, as of Anthozoa, Hydroidea, and Bryozoa; -- sometimes restricted to those individuals in which the mouth and digestive organs are not developed. [1913 Webster]
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