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Arecibo message

Noun CEFR B2

Definitions

An interstellar radio message broadcast on 16 November 1974 into the globular cluster Messier 13 in the hope that extraterrestrial intelligence might receive and decipher it.

Equivalents

CEFR level

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

See also

arecid arecoline AREDYLD Areegra arefaction areflexia

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