The Collaborative International Dictionary
Calciferous \Cal*cif"er*ous\, a. [L. calx, calcis, lime + -ferous.] Bearing, producing, or containing calcite, or carbonate of lime.
Calciferous epoch (Geol.), an epoch in the American lower Silurian system, immediately succeeding the Cambrian period. The name alludes to the peculiar mixture of calcareous and siliceous characteristics in many of the beds. See the Diagram under Geology.
Wiktionary
a. Yielding or containing calcium, calcium carbonate or calcite.
WordNet
adj. bearing or producing or containing calcium or calcium carbonate or calcite
Usage examples of "calciferous".
It was quite porous -- calciferous rock, most likely, but not true marble at all.
In the warm, clear, nutritious waters that surrounded the shores, coral polyps began to Sourish, and slowly they left behind them as they died their tiny calciferous skeletons, a few feet below the surface of the sea.
The air was dry and calciferous, scratching the back of Ralph’s throat.
His joints ached with the soft calciferous pain of old age, and even to rest them curled and at ease brought no relief.