Doppler broadening
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English
Etymology
From being produced by the action of the Doppler effect on individual atoms and molecules.
Pronunciation
- (General American) IPA(key): /ˈdɔp.lɚ ˈbɹɔd.nɪŋ/, /ˈdɔp.lɚ ˈbɹɔd.ənˌɪŋ/
Noun
- (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.