SCIENCE|natural and applied sciences|physical sciences
- tromuisce Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- ocsaíd deoitéiriam Tagairt Rialachán (AE) Uimh. 374/2014 maidir le dleachtanna custaim ar earraí de thionscnamh na hÚcráine a laghdú nó a dhíchur, CELEX:32014R0374/GA ;Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- D20 | Deuteriumoxid | schweres Wasser
- de
- heavy water | D2O | deuterium oxide | DO | HW
- en
- Sainmhíniú water in which the hydrogen in the molecules is partly or wholly replaced by the isotope deuterium, used especially as a moderator in nuclear reactors Tagairt Oxford Dictionaries > British & World English > heavy water [2.10.2015]
- Nóta Because of the very low neutron absorption cross-section of deuterium, heavy water makes an excellent moderator and is used in, for example, CANDU and SGHWR nuclear reactors. It is present in ordinary water at one part in about 5000.