placoid

About 0.03 uses per million words.

Meaning

1. adjective Platelike; having irregular, platelike, bony scales, often bearing spines; pertaining to the placoid fish
2. noun Such a scale
3. noun Any fish having placoid scales, such as the sharks
4. noun A placodioid lichen

Similar words

platelike planar two-dimensional placoidal placodermian plagiostomous pleuronectiform alepidote plagiostomatous platyform

Often followed by

scales pigment scale fishes order lesions fish sensilla chorioretinitis and