[1] : WordNet (r) 2.0

deuterium
     n : an isotope of hydrogen which has one neutron as opposed to
         zero neutrons in hydrogen syn: heavy hydrogen
see also:
heavy hydrogen 

[2] : Elements database 20001107

deuterium
symbol: d
atomic weight: 2
a hydrogen atom which has but one proton and neutron. deuterium makes up
about 0.015 of all natural hydrogen. chemical properties are like that of
normal hydrogen, though somewhat slower.


see also:
hydrogen neutron 

Deuterium >> D Words
Deuterium, definition of term: Deuterium
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