tungtvatn

== Norwegian Nynorsk == === Alternative forms === tungvatn === Etymology === From tung (“heavy”) +‎ vatn (“water”). === Pronunciation === IPA(key): /ˈtunktʋatn/ === Noun === tungtvatn n (definite singular tungtvatnet, uncountable) (chemistry) heavy water ==== Synonyms ==== deuteriumoksid === References === “tungtvatn” in The Nynorsk Dictionary.