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Meaning of silver box | Babel Free

Noun CEFR B2

Definitions

A modified DTMF box that adds four additional keys, creating a four-column-by-four-key grid.

CEFR level

B2

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

See also

silver bream silver bromide silver bullet silver carp silver ceiling silver chloride