Associations to the word «Placoid»
Wiktionary
PLACOID, adjective. Platelike; having irregular, platelike, bony scales, often bearing spines; pertaining to the placoids.
PLACOID, noun. Any fish having placoid scales, such as the sharks.
Dictionary definition
PLACOID, adjective. As the hard flattened scales of e.g. sharks.
Wise words
However many holy words you read, however many you speak,
what good will they do you if you do not act upon them?