Placoid Definition
plăkoid
adjective
Platelike.
American Heritage
Of or having scales that are periodically shed and replaced, consisting of a dentin base and an enamel-covered surface, as in cartilaginous fishes.
Webster's New World
Having placoid scales.
American Heritage
Platelike.
American Heritage Medicine
Synonyms:
noun
Any fish having placoid scales, such as the sharks.
Wiktionary
Other Word Forms of Placoid
Noun
Singular:
placoid
Plural:
placoidsOrigin of Placoid
-
Greek plax plak- flat stone, plate plāk-1 in Indo-European roots –oid
From American Heritage Dictionary of the English Language, 5th Edition
Find Similar Words
Find similar words to placoid using the buttons below.