- platelike or flattened
- (of the scales of sharks and other elasmobranchs) toothlike; composed of dentine with an enamel tip and basal pulp cavity
WordReference Random House Unabridged Dictionary of American English © 2020
plac•oid (plak′oid),USA pronunciation adj.
- Zoologyplatelike, as the scales or dermal investments of sharks.
- Greek plak- (stem of pláx) something flat, tablet + -oid
Collins Concise English Dictionary © HarperCollins Publishers::
placoid /ˈplækɔɪd/ adj
'placoid' also found in these entries: