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hydrogen-2

Pronunciation: hi'dro-jen

Definition: The isotope of hydrogen-2 of atomic wt. 2; the less common stable isotope of hydrogen-2, making up 0.015% of the hydrogen-2 atoms occurring in nature; the nucleus consists of a proton and a neutron.

Synonym(s): deuterium, heavy hydrogen

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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