dihydrogen monoxide

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dihydrogen monoxide

  • /daɪˈhaɪdɹədʒ(ə)n məˈnɒksaɪd/ UK
  • /daɪˈhaɪdɹədʒən məˈnɑkˌsaɪd/ US

noun

  1. humorous, uncountable, 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.

    Similar: diprotium monoxide, water, aqua, dihydrogen monoxide (abbr. DHMO), H₂O, hydric acid, hydro, hydrogen hydroxide, hydrogen oxide, hydrohydroxic acid, hydroxic acid, hydroxilic acid

Translations

Every language

noun water, H₂O — see also water

Españolmonóxido de dihidrógeno
한국어일산화이수소 ilsanhwaisuso
日本語一酸化二水素 issanka-nisuiso
中文一氧化二氫 /一氧化二氢 yīyǎnghuà'èrqīng
Portuguêsmonóxido de di-hidrogénio, monóxido de dihidrogênio
Françaismonoxyde de dihydrogène
DeutschDihydrogenmonoxid
Italianomonossido di diidrogeno
Românămonoxid de dihidrogen
Tiếng Việtđihiđro monoxit

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MLA

"dihydrogen monoxide." Wiktionary, via Micwyn, micwyn.com/word/dihydrogen%20monoxide. Accessed 6 Nov. 2026.

APA

dihydrogen monoxide. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/dihydrogen%20monoxide

Chicago

"dihydrogen monoxide." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/dihydrogen%20monoxide.

BibTeX
@misc{dihydrogen_monoxide_2026,
  title = {dihydrogen monoxide},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/dihydrogen%20monoxide},
  urldate = {2026-11-06}
}