- platelike or flattened
- (of the scales of sharks and other elasmobranchs) toothlike; composed of dentine with an enamel tip and basal pulp cavity
| 单词 | placoid |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 plac•oid (plak′oid),USA pronunciation adj.
Collins Concise English Dictionary © HarperCollins Publishers:: placoid /ˈplækɔɪd/ adj
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