flash spectrum

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noun Astronomy.

the emission spectrum of the chromosphere of the sun, which dominates the solar spectrum in the seconds just before and after a total solar eclipse.

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Nearby words

flash photolysis, flash picture, flash point, flash set, flash smelting, flash spectrum, flash unit, flash welding, flash-forward, flash-freeze, flash-lock

Origin of flash spectrum

First recorded in 1895–1900

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for flash spectrum

Near the central line it is little more than a flash, thus giving rise to the term “flash-spectrum.”
Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10|Various