deuterium Definition in the Cambridge English Dictionary
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Definition of “deuterium” - English Dictionary

Definition of "deuterium" - American English Dictionary

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deuteriumnoun [U]

 /duˈtɪər·i·əm/
chemistry a ​type of hydrogen (= ​gas) that is ​twice as ​heavy as the ​usualform of ​hydrogen
(Definition of deuterium from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "deuterium" - British English Dictionary

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deuteriumnoun [U]

uk   /djuːˈtɪə.ri.əm/  us   /-tɪr-/ specialized
an isotope of hydrogen that is ​twice the ​mass of ​ordinary hydrogen: The ​nucleus of a deuterium ​atomcontains a ​proton and a ​neutron.
(Definition of deuterium from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Translations of “deuterium”
in Chinese (Simplified) 重氢(氢的同位素,质量是普通氢的两倍)…
in Chinese (Traditional) 重氫,氘(氫的同位素,質量是普通氫的兩倍)…
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