Examples from the Web for cupreous
These crystals are merely some of the cupreous salt forced over by the heat.
The cupreous precipitate must be triturated with lime, after it is nearly dry, to bring out the fine velvety blue colour.
Copper was named after Venus, and cupreous salts were known as venereal salts.The Seven Follies of Science [2nd ed.]|John Phin