the GNU version of the Collaborative International Dictionary of English
adj. Pertaining to, characterized by, or containing, magnesia or magnesium.
The Century Dictionary and Cyclopedia
Of or pertaining to Magnesia, an ancient city of Asia Minor, near Miletus, or to a town of the same name in ancient Lydia, or to a district so called in Thessaly.
Pertaining to magnesia or having its qualities; containing or resembling magnesia.
Word Usage
"Certainly it contains many shells of species now living in the neighbouring ocean; and the limestone ridge running parallel with and close to the coast, and which in the colony is falsely called magnesian limestone, contains a great proportion of modern shells."