fail closed
fail closed · fails closed · failed closed · failing closed
Of an access control system: to automatically block all traffic in the case of a failureOf 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.
Meaning
1 sensesOf 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.
Coordinate term: fail open
Forms
fails closed, failing closed, failed closed, failed closed| Base form | fail closed · to fail closed |
|---|---|
| 3rd person singular | fails closed |
| Present participle | failing closed |
| Past simple | failed closed |
| Past participle | failed closed |
irregular
Lessons for this word
3 lessons- A1Present simple — Because it is a verb
- A1Past simple, regular verbs — Because of its past form
- A2Present perfect: introduction — Because of its past participle