brightline spectrum

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noun Physical Chemistry.

the spectrum of an incandescent substance appearing on a spectrogram as one or more bright lines against a dark background.

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Also called brightline .

Origin of brightline spectrum

First recorded in 1885–90

In other words, fluoride is a broad-spectrum, bipartisan, long-lasting magnet for dissent.
Anti-Fluoriders Are The OG Anti-Vaxxers|Michael Schulson|July 27, 2016|DAILY BEAST
On the other end of the spectrum, there lies an artist like Lena Dunham, who engages in a flaunting of the flawed self.
Daphne Merkin on Lena Dunham, Book Criticism, and Self-Examination|Mindy Farabee|December 26, 2014|DAILY BEAST
Overall, Paris Magnum reaches both too widely and too thinly in trying to convey a sense of spectrum.
A History of Paris in 150 Photographs|Sarah Moroz|December 14, 2014|DAILY BEAST
Today, Sunday, the cast will perform a softened, “autism-friendly” version of the production for those on the spectrum.
The Brit Who Stormed Broadway|Tim Teeman|December 7, 2014|DAILY BEAST

On the opposite end of the spectrum are two other standout works, which depict Mary as a loving, nurturing mother.
The Virgin Mary Lookbook|William O’Connor|December 7, 2014|DAILY BEAST
These indications are derived from the study of the lines in the light which the spectrum reveals to us when critically examined.
Outlines of the Earth's History|Nathaniel Southgate Shaler
These words represent only the primary colors of the moral spectrum.
By the Christmas Fire|Samuel McChord Crothers
In the spectrum of csium two lines in the blue, Cs and Cs , are strongly marked.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley
Kirchkoff used four prisms in his experiments upon the solar spectrum.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley
With solutions so dilute as this, there is no absorption at either the violet or the red end of the spectrum.
Poisons: Their Effects and Detection|Alexander Wynter Blyth