hydrogen lines

A form of hydrogen line — a spectral line of atomic hydrogen having a wavelength of about 21cm; used extensively in radio astronomy

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Meanings

noun
  1. pluralplural of hydrogen line
Cite this entry
APA

hydrogen lines. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/hydrogen%20lines

MLA

“hydrogen lines.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hydrogen%20lines. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “hydrogen lines,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/hydrogen%20lines.

Source: hydrogen lines on Wiktionary, CC BY-SA 4.0.