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Meaning of red mercury | Babel Free

Noun CEFR B2

Definitions

A supposed substance for use in the creation of nuclear bombs and other weapons, about which there are various conspiracy theories.

uncountable

CEFR level

B2

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

See also

red mirage red mist red mite red moki red mongo red monkey