WIRE n.
, above. -- Wire micrometer, a micrometer having spider lines, or fine wires, across the field of the instrument. -- Wire nail, a nail formed of a piece of wire which is headed and pointed. -- Wire netting, a texture of woven wire coarser than ordinary wire gauze. -- Wire rod, a metal rod from which wire is formed…
ZEEMAN EFFECT n.
n, triplication, etc., of spectral lines when the radiations emanate in a strong magnetic field, first observed in 1896 by P. Zeeman, a Dutch physicist, and regarded as an important confirmation of the electromagnetic theory of light.