English Dictionary: deuterium | by the DICT Development Group |
2 results for deuterium | |
From WordNet (r) 3.0 (2006) [wn]: | |
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From The Elements (22Oct97) [elements]: | |
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. |