spectral line
noun Date: 1849 one of a series of linear images formed by a spectrograph or similar instrument and corresponding to a narrow portion of the spectrum of the radiation emitted or absorbed by a particular source

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • spectral line — n. any of a number of lines in a spectrum produced by the emission of electromagnetic radiation from an excited atom: a spectral line represents the energy difference between two energy levels …   English World dictionary

  • spectral line — n one of a series of linear images of the narrow slit of a spectrograph or similar instrument corresponding to a component of the spectrum of the radiation emitted by a particular source …   Medical dictionary

  • Spectral line — Continuous spectrum Emission line …   Wikipedia

  • spectral line — noun : one of a series of linear images of the narrow slit of a spectrograph or similar instrument corresponding to a component of the spectrum of the radiation emitted by a particular source * * * Optics. a line in a spectrum due to the… …   Useful english dictionary

  • spectral line — spektro linija statusas T sritis Standartizacija ir metrologija apibrėžtis Siaura spektro sritis. atitikmenys: angl. spectral line; spectrum line vok. Spektrallinie, f rus. спектральная линия, f pranc. raie spectrale, f …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • spectral line — spektro linija statusas T sritis chemija apibrėžtis Siaura, beveik monochromatinės spinduliuotės spektro sritis. atitikmenys: angl. spectral line; spectrum line rus. спектральная линия …   Chemijos terminų aiškinamasis žodynas

  • spectral line — spektro linija statusas T sritis fizika atitikmenys: angl. spectral line vok. Spektrallinie, f rus. спектральная линия, f pranc. raie du spectre, f; raie spectrale, f …   Fizikos terminų žodynas

  • spectral line — spec′tral line′ n. opt a line in a spectrum due to the absorption or emission of light at a discrete frequency • Etymology: 1865–70 …   From formal English to slang

  • spectral line — Optics. a line in a spectrum due to the absorption or emission of light at a discrete frequency. [1865 70] * * * …   Universalium

  • spectral line — noun a dark or bright line in an otherwise continuous spectrum caused by the absorption or emission of light, at a single wavelength, by the movement of electrons between energy levels of an atom or molecule …   Wiktionary

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