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Webster 1913 Edition
Nullipore
Nul′li-pore
,Noun.
[L.
nullus
none + porus
pope.] (Bot.)
A name for certain crustaceous marine algae 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
.