The Britannica Dictionary
mobile search
Home
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
×
Britannica Homepage
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
The Britannica Dictionary
black box
1 ENTRIES FOUND:
black box
(noun)
black box
noun
plural
black boxes
black box
noun
plural
black boxes
Britannica Dictionary 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.
[+] more examples
[-] hide examples
[+] Example sentences
[-] Hide examples
ASK THE EDITOR
What are the plural forms of
check-in
,
passerby
, and
spoonful
?
See the answer »
QUIZZES
Vocabulary Quiz
Test your word power
Take the Quiz »
Name That Thing
Take our visual quiz
Test Your Knowledge »
WORD OF THE DAY
emulate
:
to try to be like (someone or something you admire)
Learn More »