Word.ws English Dictionary

hydrogen line

hydrogen line noun: a spectral line of atomic hydrogen having a wavelength of about 21cm; used extensively in radio astronomy.

Noun

hydrogen line (plural hydrogen lines)

  1. a spectral line of atomic hydrogen having a wavelength of about 21cm; used extensively in radio astronomy

hydrogen line meaning in Tamil

hydrogen line in Tamil

நீரக ஒளிவரி

Forms of hydrogen line

pluralhydrogen lines

Questions about hydrogen line

What does hydrogen line mean?
Hydrogen line means a spectral line of atomic hydrogen having a wavelength of about 21cm; used extensively in radio astronomy.
What is hydrogen line in Tamil?
Hydrogen line in Tamil is நீரக ஒளிவரி. See Hydrogen line meaning in Tamil.
What part of speech is hydrogen line?
Hydrogen line is a noun.
What is the plural of hydrogen line?
The plural of hydrogen line is hydrogen lines.

Words near hydrogen line in the dictionary

  1. hydrogen iodide
  2. hydrogen ion
  3. hydrogen ions
  4. hydrogen lamp
  5. hydrogen lamps
  6. hydrogen line
  7. hydrogen lines
  8. hydrogen maser atomic clock
  9. hydrogen maser atomic clocks
  10. hydrogen monoxide
  11. hydrogen nitrate

Source and license

Adapted from Wiktionary: hydrogen line (page history and authors); hydrogen line (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “hydrogen line.” Word.ws, https://word.ws/hydrogen_line. Based on Wiktionary, CC BY-SA 4.0.