Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of keratosa is as below...

Keratoidea :: Keratoidea (n. pl.) Same as Keratosa.

Keratosa :: Keratosa (n. pl.) An order of sponges having a skeleton composed of hornlike fibers. It includes the commercial sponges.

Porifera :: Porifera (n. pl.) A grand division of the Invertebrata, including the sponges; -- called also Spongiae, Spongida, and Spongiozoa. The principal divisions are Calcispongiae, Keratosa or Fibrospongiae, and Silicea..

Keratose :: Keratose (a.) Containing hornlike fibers or fibers of keratose; belonging to the Keratosa.

Sponge :: Sponge (n.) The elastic fibrous skeleton of many species of horny Spongiae (keratosa), used for many purposes, especially the varieties of the genus Spongia. The most valuable sponges are found in the Mediterranean and the Red Sea, and on the coasts of Florida and the West Indies..

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