Lodestone is a magnetic form of natural iron oxide. It can be made to swing like a magnet, and was used by early mariners to find the magnetic north. Lodestone is often called a natural magnet.
Load"stone`, Lode"stone (?), n. [Load, lode + stone.] Min.
A piece of magnetic iron ore possessing polarity like a magnetic needle. See Magnetite.
© Webster 1913.
Lode"stone` (?), n. Min.
Same as Loadstone.
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