• synonyms

flash spectrum

See more synonyms for flash spectrum on Thesaurus.com
noun Astronomy.
  1. 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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Origin of flash spectrum

First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for flash spectrum

Historical Examples

  • 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