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Meaning of 1-A-O | Babel Free

Noun CEFR B1

Definitions

A selective service class denoting that the registrant is only available for noncombat military service due to their conscientious objector status

uncountable

CEFR level

B1

Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.

See also

1-C 1-D 1-D RCM 1-G 1-H 1-h TL FM