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Meaning of AT1 | Babel Free

Noun CEFR A2

Definitions

Initialism of Additional Tier 1.

abbreviation, alt-of, initialism

CEFR level

A2

Elementary
This word is part of the CEFR A2 vocabulary — elementary level.

See also

ATA ATA-100 ATA-133 ATA-33 ATA-66 atabal