\Di`a*mag*net"ic\, a.
Pertaining to, or exhibiting the phenomena of, diamagnetism;
taking, or being of a nature to take, a position at right
angles to the lines of magnetic force. See {Paramagnetic}.
{Diamagnetic attraction}. See under {Attraction}.

\Di`a*mag*net"ic\, n.
Any substance, as bismuth, glass, phosphorous, etc., which in
a field of magnetic force is differently affected from the
ordinary magnetic bodies, as iron; that is, which tends to
take a position at right angles to the lines of magnetic
force, and is repelled by either pole of the magnet.