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Meaning of serial key | Babel Free

Noun CEFR B2

Definitions

A string of characters or equivalent access code that must be input into a program in order to activate it.

CEFR level

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

serial killer serial killer glasses serial killer van serial monogamist serial monogamy serial music

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