- any minute marine invertebrate animal of the class Ascidiacea, such as the sea squirt, the adults of which are degenerate and sedentary: subphylum Tunicata (tunicates)
| 单词 | ascidian |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 as•cid•i•an (ə sid′ē ən),USA pronunciation [Zool.] n.
adj.
Collins Concise English Dictionary © HarperCollins Publishers:: ascidian /əˈsɪdɪən/ n
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