Meanings
proper noun
- One of the hydrogen spectral series.
Origin
Experimentally discovered in 1924 by August Herman Pfund.
Full word history & related roots →Cite this entry
APA
Pfund series. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Pfund%20series
MLA
“Pfund series.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Pfund%20series. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Pfund series,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Pfund%20series.
Source: Pfund series on Wiktionary, CC BY-SA 4.0.