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Meaning of helonium | Babel Free

Noun CEFR B2

Definitions

Synonym of helium hydride.

uncountable

Equivalents

Français hélonium

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

helonym helophorid helophyte helophytic helospectin helot

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