heavy water

English

Diagram of a heavy-water molecule. The notation "²H", for deuterium, is more correct than "D".

Alternative forms

• heavywater, heavy-water

Pronunciation

• Audio (Southern England):

  (file)

Noun

heavy water (uncountable)

2. (inorganic chemistry) Water containing deuterium instead of normal hydrogen (protium) (thus, ²H₂O); used as a moderator in nuclear reactors.

   Synonyms: deuterium oxide, deuterated water (²H₂O sense)

   Hypernyms: water, H₂O < substance

   Coordinate terms: light water (¹H₂O); semi-heavy water (¹H-²H-O), deuterated water (¹H-²H-O sense); super-heavy water (³H₂O), tritiated water (³H₂O)

Derived terms

• heavy-water reactor
• semi-heavy water
• super-heavy water

Related terms

• heavy hydrogen

Translations

water containing deuterium instead of normal hydrogen

• Bulgarian: тежка вода f (težka voda)
• Chinese:

  Mandarin: 重水 (zh) (zhòngshuǐ)

• Danish: tungt vand n
• Dutch: zwaar water (nl) n
• Faroese: tungt vatn n
• Finnish: raskasvesi (fi)
• French: eau lourde (fr) f
• German: schweres Wasser (de) n
• Icelandic: þungt vatn n
• Indonesian: air berat (id)
• Italian: acqua pesante f
• Japanese: 重水 (ja) (じゅうすい, jūsui)
• Kazakh: ауыр су (awır suw)
• Navajo: tó nidaaz
• Norwegian:

  Bokmål: tungtvann (no) n, tungtvatn n

  Nynorsk: tungtvatn n, tungvatn n

• Persian: آب سنگین (fa) (âb-e sangin)
• Polish: ciężka woda (pl) f
• Portuguese: água pesada (pt) f, água deuterada f
• Romanian: apă grea (ro) f
• Russian: тяжёлая вода́ f (tjažólaja vodá)
• Spanish: agua pesada
• Swedish: tungt vatten n
• Tagalog: mabigat na tubig, tubig na mabigat
• Turkish: ağır su (tr)
• Vietnamese: nước nặng (vi)