Placoid

adj, noun

Definitions

Adjective
  1. 1
    Platelike; having irregular, platelike, bony scales, often bearing spines; pertaining to the placoid fish not-comparable

    "What about the carp? He regarded the two placoid shapes with doubt."

Adjective
  1. 1
    as the hard flattened scales of e.g. sharks wordnet
Noun
  1. 1
    Such a scale
  2. 2
    Any fish having placoid scales, such as the sharks
  3. 3
    A placodioid lichen

Etymology

Etymology 1

From Ancient Greek πλάξ (pláx, stem plak-) + -oid.

Etymology 2

From Ancient Greek πλάξ (pláx, stem plak-) + -oid.

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