Meanings
proper noun
- One of the hydrogen spectral series, lying in the far infrared band.
Origin
Named after the American physicist Frederick Sumner Brackett, who first observed the spectral lines in 1922.
Full word history & related roots →Cite this entry
APA
Brackett series. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Brackett%20series
MLA
“Brackett series.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Brackett%20series. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “Brackett series,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Brackett%20series.
Source: Brackett series on Wiktionary, CC BY-SA 4.0.