Word Study
keratose
CIDE DICTIONARY
keratose, n. [Gr. ke`ras, -atos, horn.].
A tough, horny animal substance entering into the composition of the skeleton of sponges, and other invertebrates; -- called also keratode . [1913 Webster]
keratose, a.
Containing hornlike fibers or fibers of keratose; belonging to the Keratosa. [1913 Webster]
OXFORD DICTIONARY
keratose, adj. (of sponge) composed of a horny substance.
Etymology
Gk keras keratos horn + -OSE(1)
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