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Meaning of antiprotonic helium | Babel Free

Noun CEFR B2

Definitions

A form of helium where one of the electrons is replaced by an antiproton.

uncountable

CEFR level

B2

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

See also

antiprotozoal antiproverb antipruritic antipseudomonal antipsoriatic antipsoric