line spectrum

line spectrum
an electromagnetic spectrum consisting of discrete lines, usually characteristic of excited atoms or molecules. Cf. band spectrum, continuous spectrum, spectral line.
[1870-75]

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Universalium. 2010.

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Look at other dictionaries:

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  • line spectrum — /laɪn ˈspɛktrəm/ (say luyn spektruhm) noun an emission or absorption spectrum consisting of a number of sharply defined lines, as produced by an element in the atomic state. Each line corresponds to a particular wavelength …  

  • line spectrum — noun a spectrum in which energy is concentrated at particular wavelengths; produced by excited atoms and ions as they fall back to a lower energy level • Hypernyms: ↑spectrum …   Useful english dictionary

  • dark-line spectrum — noun : a line spectrum produced by the passage of white light through an ionized gas or vapor * * * dark line spectrum «DAHRK LYN», a spectrum of dark lines on a bright background: »Sunlight produces a dark line spectrum (Robert H. Baker) …   Useful english dictionary

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