adjective
COLLOCATIONS FROM CORPUS
■ NOUN
lines
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Balmer had been thinking about the spectral lines from hydrogen.
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Spectroscopic measurements in 1960 indicated that small-scale motion of the plasma was producing the doppler broadening of the spectral lines .
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Hot ionised gases, and the impurities they contain, also produce spectral lines that are characteristic of the plasma temperature.
type
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The spectral types were given letters of the alphabet, as follows: O: very hot stars, greenish-white or bluish-white.
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U, of spectral type M, appears to be irregular, with a range of from 5.6 to 7.5.
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Beta is a fine orange star of spectral type M, beautiful in binoculars; it has been suspected of slight variability.
EXAMPLES FROM CORPUS
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Ahead the red light glowed evilly and the spectral figures moved into its aura to become cardboard silhouettes.
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An elaborate system of spectral classes has been established by a persistent cadre of asteroid observers.
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Intelligences without bodies and beings without form are spectral ghosts guaranteed to mislead.
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It should also be remembered that the spectral reflectance curve of living vegetation will change continuously throughout the growing season.
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The holiday has to do with other worldliness, spectral phenomena, lonesome caped creatures rising across the moon.
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The use of many plots and their spectral interpretation is to be commended.
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These are all simulated spectral and concentration data.
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They are members of the V spectral class.