heavy water

Noun

 * 1)  Water containing deuterium instead of normal hydrogen (protium); used as a moderator in nuclear reactors. Denoted $2$H$2$O, or less correctly, D$2$O.

Translations

 * Chinese:
 * Mandarin:
 * Danish: tungt vand
 * Dutch:
 * Faroese: tungt vatn
 * Finnish:
 * French:
 * German: schweres Wasser
 * Icelandic: þungt vatn
 * Indonesian:
 * Italian: acqua pesante
 * Japanese:
 * Kazakh: ауыр су
 * Navajo: tó nidaaz
 * Norwegian:
 * Bokmål:, tungtvatn
 * Nynorsk: tungtvatn, tungvatn
 * Persian:
 * Polish:
 * Portuguese:, água deuterada
 * Romanian:
 * Russian: тяжёлая вода́
 * Spanish: agua pesada
 * Swedish: tungt vatten
 * Tagalog: mabigat na tubig, tubig na mabigat
 * Turkish:
 * Vietnamese: