411 REFERENCE · Wiktionary
Doppler broadening
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
From being produced by the action of the Doppler effect on individual atoms and molecules.
Pronunciation
en /ˈdɔp.lɚ ˈbɹɔd.nɪŋ/ /ˈdɔp.lɚ ˈbɹɔd.ənˌɪŋ/ GA
Noun
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en physics The broadening of the spectral lines of a high-temperature or rapidly-rotating object due to redshifting of spectral lines from atoms and molecules moving away from the observer and blueshifting of spectral lines from atoms and molecules moving toward the observer.