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spectral line |
Also found in: Dictionary/thesaurus, Medical, Legal, Financial, Wikipedia, Hutchinson | 0.05 sec. |
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spectral line [′spek·trəl ‚līn] (spectroscopy) A discrete value of a quantity, such as frequency, wavelength, energy, or mass, whose spectrum is being investigated; one may observe a finite spread of values resulting from such factors as level width, Doppler broadening, and instrument imperfections. Also known as spectrum line. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| ? Mentioned in | ? References in periodicals archive | |
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Atomic and molecular absorption lines are very stable under changing
environmental conditions and are excellent references for this purpose. Since the late 1960s, observers have been checking to see whether
the spacings between the absorption lines in quasar spectra differ
slightly from those observed in laboratory experiments. 16]O gas, which has many absorption lines in t
his region. |
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