## line width

https://doi.org/10.1351/goldbook.L03567
Width of a spectral line in terms of @[email protected], @[email protected] or @[email protected] Usually defined as full or half width of the line at half of the maximum intensity @[email protected] or @[email protected], respectively).
Source:
Green Book, 2nd ed., p. 31 [Terms] [Book]