brightline spectrum

noun Physical Chemistry.

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

Nearby words

  1. bright-line spectrum,
  2. brighten,
  3. brightener,
  4. brightening agent,
  5. brightline,
  6. brightly,
  7. brightness,
  8. brighton,
  9. brighton and hove,
  10. brights

Origin of brightline spectrum

First recorded in 1885–90

Also called brightline. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019