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deuterium
(redirected from H 2)

    Also found in: Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
deuterium /deu·te·ri·um/ (D) (doo-ter´e-um) see hydrogen.
deu·te·ri·um (d-tîr-m)
n.
An isotope of hydrogen with one proton and one neutron in the nucleus having an atomic weight of 2.014. Also called heavy hydrogen, hydrogen-2.
deuterium
(dootēr´ēm), a stable isotope of the hydrogen atom, used as a tracer. Also called
heavy hydrogen. Deuterium oxide, or heavy water, is formed from an isotope of hydrogen, which has twice the weight of ordinary hydrogen (hence the name).
deuterium
the mass 2 isotope of hydrogen, symbol 2H or D; it is available as a gas or heavy water and is used as a tracer or indicator in studying metabolism.
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