noun Physics, Optics.
the dividing of a spectral line
or lines as a result of placing a radiation source in a magnetic field. The division consists of three equally spaced lines (normal Zeeman effect)
in systems for which
the spin quantum number is zero, or of three or more unequally spaced lines (anomalous Zeeman effect)
in systems for which the spin quantum number is not zero.
Also called Zeeman splitting.
named after P. Zeeman
is always a great word to know.
So is callithumpian. Does it mean: