super-heavy water

== English == === Alternative forms === super heavy water, superheavy water === Etymology === By surface analysis, super +‎ heavy water, or, by surface analysis, superheavy +‎ water. === Pronunciation === === Noun === super-heavy water (uncountable) (inorganic chemistry) Water containing tritium instead of normal hydrogen (protium) (thus, ³H₂O). Synonyms: tritiated water (³H₂O sense), tritium oxide Hypernyms: water, H₂O < substance Coordinate terms: light water (¹H₂O), heavy water (²H₂O), semi-heavy water (¹H-²H-O) ==== Usage notes ==== The chemical symbol for deuterium should be 2H, rather than D; to prevent problems in alphabetical sorting of formulae. Likewise, tritium should be called 3H, rather than T. ==== Translations ==== === References ===