Spongiolite :: Spongiole (n.) A supposed spongelike expansion of the tip of a rootlet for absorbing water; -- called also spongelet.
Spongiopilin :: Spongiolite (n.) One of the microsporic siliceous spicules which occur abundantly in the texture of sponges, and are sometimes found fossil, as in flints..
Spongiose :: Spongiopilin (n.) A kind of cloth interwoven with small pieces of sponge and rendered waterproof on one side by a covering of rubber. When moistend with hot water it is used as a poultice.