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

All our words from loose using have lost their edge.
Ernest Hemingway