Library / English Dictionary

DEUTERIUM

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

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

Synonyms:

deuterium; heavy hydrogen

Classified under:

Nouns denoting substances

Hypernyms ("deuterium" is a kind of...):

isotope (one of two or more atoms with the same atomic number but with different numbers of neutrons)

hydrogen atom (an atom of hydrogen)

Credits

 Context examples: 

Water that is transpired by plants, on the other hand, has the same amount of deuterium as water that's still in the ground — the plant sucks water out of the ground like a straw, no matter which isotope the water contains.

(New Study Shows the Amazon Makes Its Own Rainy Season, NASA)