line spectrum
an electromagnetic spectrum consisting of discrete lines, usually characteristic of excited atoms or molecules.
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Origin of line spectrum
1- Compare band spectrum, continuous spectrum, spectral line.
Words Nearby line spectrum
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use line spectrum in a sentence
This nebula gives a bright line spectrum indicative of gaseous composition.
The Astronomy of Milton's 'Paradise Lost' | Thomas OrchardThe positive rays show, when the pressure is not very low, the line spectrum of the gas through which they pass.
If the rate of increase is rapid, the dark-line spectrum shown by the majority of the stars will appear.
Astronomical Curiosities | J. Ellard GoreThe defect is also demonstrated by viewing a line-spectrum focused on a ground glass.
Visual Illusions | Matthew LuckieshThis effect is perhaps best witnessed on viewing a line spectrum such as that of the mercury arc, focused upon a ground glass.
Visual Illusions | Matthew Luckiesh
Scientific definitions for line spectrum
An image of colored lines or bands of light formed in optical spectroscopy, each line representing one of the frequencies in the spectrum of a light source. The light source is usually broken into individual bands by a prism or a diffraction grating.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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