A salt or carbonic acid, as in limestone, some types of lead ore, etc.
In chem., a compound formed by the union of carbonic-acid with a base: as, calcium carbonate; copper carbonate.
plural the most popular name inside Cordilleran mining region of ores consisting in large section of carbonate of lead. and often containing gold. This will be an important class of ores in Colorado and Utah.
Same as carbonado or bort.
a salt or ester of carbonic acid (containing the anion CO3)