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Meaning of Mercury Seven | Babel Free

Noun CEFR B2

Definitions

NASA's first astronaut group, consisting of seven members, chosen in 1959: Scott Carpenter, Gordon Cooper, John Glenn, Gus Grissom, Wally Schirra, Alan Shepard, and Deke Slayton.

CEFR level

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

See also

mercury soap mercury sulfide mercury sulphide mercury switch mercury-vapor lamp mercury-vapour lamp

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