Word.ws English Dictionary

dihydrogen-monoxide

dihydrogen-monoxide is the alternative spelling of dihydrogen monoxide.

Meaning of dihydrogen monoxide

Noun

dihydrogen monoxide (uncountable)

  1. (humorous, usually) H₂O, water.
    • Thus ice contracts when melting, ice being a regular and rather open structure of hydrogen and oxygen atoms, while water is a collection of dihydrogen-monoxide (H₂O), tetra-hydrogen dioxide (2H₂O), and more complex molecules.1928, Herbert Chatley, Studies in Molecular Force, 3rd edition, Charles Griffin & Co., Limited, page 4

Questions about dihydrogen-monoxide

What is dihydrogen-monoxide the alternative spelling of?
Dihydrogen-monoxide is the alternative spelling of dihydrogen monoxide.

Words near dihydrogen-monoxide in the dictionary

  1. dihydrofurans
  2. dihydrofuranyl
  3. dihydrofusarubin
  4. dihydrogen
  5. dihydrogen monoxide
  6. dihydrogen-monoxide
  7. dihydrogenated
  8. dihydrogenmonoxide
  9. dihydroheterocodeine
  10. dihydrohydroxyfuran
  11. dihydroimidazole

Source and license

Adapted from Wiktionary: dihydrogen-monoxide (page history and authors); dihydrogen monoxide (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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