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black box
1 ENTRIES FOUND:
black box
(noun)
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black box
noun
plural
black boxes
black box
noun
plural
black boxes
Learner's definition of BLACK BOX
[
count
]
:
a device used in an airplane to record flight information (such as altitude or airspeed) or the voices of the pilots and crew
The
black boxes
were recovered from the crash site and provided useful information about the cause of the crash.
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