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Meaning of ganoin

gan•o•in

Pronunciation: (gan'ō-in), [key]
— n. Ichthyol.
  1. a hard, shiny, enamellike substance secreted by the corium, composing the outer layer of the scales of certain fishes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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