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Meaning of fail closed | Babel Free

Verb CEFR B2

Definitions

Of an access control system: to automatically block all traffic in the case of a failure. For example, an electronic safe becoming impossible to unlock in the event of a power outage.

Examples

“Coordinate term: fail open”

CEFR level

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

See also

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