The Collaborative International Dictionary
Nullipore
Nullipore \Nul"li*pore\, n. [L. nullus none + porus pope.] (Bot.) A name for certain crustaceous marine alg[ae] which secrete carbonate of lime on their surface, and were formerly thought to be of animal nature. They are now considered corallines of the genera Melobesia and Lithothamnion.
Wiktionary
nullipore
n. Any of various crustaceous marine algae which secrete calcium carbonate.
Usage examples of "nullipore".
Boerhaave sampled the shallows, finding nullipores, mussels, and small crustaceans.