Phrase guide

dihydrogen monoxide

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • Received-Pronunciation: /daɪˈhaɪdɹədʒ(ə)n məˈnɒksaɪd/
  • General-American: /daɪˈhaɪdɹədʒən məˈnɑkˌsaɪd/
  • Australia: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

H2O, water.

Definition source: English Wiktionary via Wiktextract

Usage: humorous, uncountable, usually

Topics: chemistry, inorganic-chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: diprotium monoxide, water, aqua, dihydrogen monoxide (abbr. DHMO), H2O, hydric acid, hydro, hydrogen hydroxide, hydrogen oxide, hydrohydroxic acid, hydroxic acid, hydroxilic acid, hydroxylic acid, oxidane, μ-oxido dihydrogen, universal solvent

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

18 source translations are retained for this English entry.

  • Chinese Mandarin: 一氧化二氫 /一氧化二氢 (yīyǎnghuà'èrqīng) — water, H2O — see also water
  • Danish: dihydrogenmonoxid — water, H2O — see also water
  • Dutch: diwaterstofmonoxide — water, H2O — see also water
  • Esperanto: dihidrogenmonoksido — water, H2O — see also water
  • Finnish: divetymonoksidi — water, H2O — see also water
  • French: monoxyde de dihydrogène — water, H2O — see also water
  • German: Dihydrogenmonoxid — water, H2O — see also water
  • Hungarian: dihidrogén-monoxid — water, H2O — see also water
  • Italian: monossido di diidrogeno — water, H2O — see also water
  • Japanese: 一酸化二水素 (issanka-nisuiso) — water, H2O — see also water
  • Korean: 일산화이수소 (ilsanhwaisuso) — water, H2O — see also water
  • Polish: monotlenek diwodoru — water, H2O — see also water
  • Portuguese: monóxido de di-hidrogénio — water, H2O — see also water
  • Portuguese: monóxido de dihidrogênio — water, H2O — see also water
  • Romanian: monoxid de dihidrogen — water, H2O — see also water
  • Spanish: monóxido de dihidrógeno — water, H2O — see also water
  • Thai: ไดไฮโดรเจนมอนอกไซด์ (dai-hai-droo-jên-mɔɔ-nɔ́k-saai) — water, H2O — see also water
  • Vietnamese: đihiđro monoxit — water, H2O — see also water