bn:00026679n
Noun Concept
Categories: Isotopes of hydrogen, Articles with short description, All articles with unsourced statements, All articles containing potentially dated statements, Environmental isotopes
EN
deuterium  heavy hydrogen  D  Ultra-dense Deuterium  2H
EN
An isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen) WordNet 3.0
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EN
An isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen) WordNet 3.0 & WordNet 2020
Deuterium is one of two stable isotopes of hydrogen. Wikipedia
An isotope of hydrogen where the nucleus contains a neutron and a proton, instead of only one proton. Instead of the ordinary symbol 2H, the symbol D is more commonly used for the isotope. OmegaWiki
An isotope of hydrogen formed of one proton and one neutron in each atom - 21H. Wiktionary
EN
Heavy water is “heavy” because it contains deuterium. Wiktionary