— antiferromagnetism /an'tee fer'oh mag"ni tiz'euhm, an'tuy-/ , n.
/an'tee fer'oh mag net"ik, an'tuy-/ , adj. Physics.
noting or pertaining to a substance in which, at sufficiently low temperatures, the magnetic moments of adjacent atoms point in opposite directions. Cf. diamagnetic, ferrimagnetic, ferromagnetic, paramagnetic .
[ 1935-40; ANTI- + FERROMAGNETIC ]