Definition of Paschen series in English:

Paschen series

Line breaks: Paschen ser¦ies
Pronunciation: /ˈpaʃ(ə)n
 
/

noun

Physics
A series of lines in the infrared spectrum of atomic hydrogen, between 1.88 and 0.82 micrometres.
More example sentences
  • The Paschen series describes transitions from a higher level down to n = 3.
  • See a 1922 paper by Frederick Brackett comparing Bohr's formula for the hydrogen spectral series with the Paschen series and with two members of a new series.

Origin

1920s: named after L. C. H. Friedrich Paschen (1865–1947), German physicist.

Definition of Paschen series in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day glee
Pronunciation: gliː
noun
great delight, especially from one's own good fortune…