M-line
[ em-lahyn ]
/ ˈɛmˌlaɪn /
noun Physics.
one of a series of lines (M-series) in the x-ray spectrum of an atom corresponding to radiation (M-radiation) caused by the transition of an electron to the M-shell.
Origin of M-line
First recorded in 1920–25
Medical definitions for m line
M line
n.
A fine dark band in the center of the H band in the myofibrils of striated muscle fibers.
M band