← Back to search

Meaning of hydrogen-4 | Babel Free

Noun CEFR B2

Definitions

Synonym of quadrium (“isotope of hydrogen”).

uncountable

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

hydrogen-bonding hydrogenase Hydrogenate Hydrogenated Hydrogenates Hydrogenating