deuterium
nounmasculinetécnico/dew.ˈtɛ.ɾju/low
deu·te·rio
Definition
A stable isotope of hydrogen, with one neutron in the nucleus, symbolized as ²H or D.
Deuterium is used as a moderator in nuclear reactors.
Heavy water contains deuterium instead of ordinary hydrogen.
Common collocations
deuterium atomheavy water deuteriumdeuterium isotopedeuterium fusion
Etymology
Do grego 'deuteros' (segundo) + sufixo '-io', por ser um isótopo do hidrogénio.