Word.ws English Dictionary

doubly labeled water

doubly labeled water noun: water where both the hydrogen and oxygen atoms have been replaced by less common isotopes.

Noun

doubly labeled water (uncountable)

  1. (US, physical) Water where both the hydrogen and oxygen atoms have been replaced by less common isotopes.
    • Deuterium oxide-18 (D₂¹⁸O or ²H₂¹⁸O) is one kind of doubly labeled water.

Questions about doubly labeled water

What does doubly labeled water mean?
Doubly labeled water means water where both the hydrogen and oxygen atoms have been replaced by less common isotopes.
What part of speech is doubly labeled water?
Doubly labeled water is a noun.

Words near doubly labeled water in the dictionary

  1. doublures
  2. doubly
  3. doubly even
  4. doubly incontinent
  5. doubly infinite
  6. doubly labeled water
  7. doubly magic
  8. doubly transitive
  9. doubly-linked
  10. doublé
  11. doublés

Source and license

Adapted from Wiktionary: doubly labeled water (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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