Water composed of isotopes of hydrogen of atomic weight greater than 1 or of oxygen of atomic weight greater than 16, or both; especially water composed of ordinary oxygen and the isotope of hydrogen of atomic weight 2; Deuterium Oxide (D2O). Typically used as a moderator in certain nuclear reactors. Also see Heavy Water Moderated Reactor.
HEAVY WATER
Meaning of HEAVY WATER in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012