Deuterium definition

Deuterium

Topics Deuterium Definition

WordNet

(1) An isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen)

WiktionaryText

Coined by Harold Urey, an American chemist, from ‘second’ + -ium.

An isotope of hydrogen formed of one proton and one neutron in each atom - .

Heavy water is “heavy” because it contains deuterium.
An atom of the isotope.

There were about 80 deuteriums for every million protiums, and virtually no tritium.