Word Study
black bile |
black bindweed |
black birch |
black body |
black book |
black box
| black bread
| black bream
| black bryony
| black buck
| black buffalo
black box
WORDNET DICTIONARY
Noun black box has 1 sense
CIDE DICTIONARY
black box, n.
- any electronic instrument or part of an instrument whose function is defined, but which is treated as a unit without consideration of the internal mechanisms; broadly, any device whose internal workings are considered as incomprehensible or mysterious by the user; as, to treat the meter as a black box and take its readings on faith. [PJC]
- a device which maintains a record of cockpit conversations and the readings of many of the instruments on board an aircraft, continuously or at frequent time intervals during a flight. It is of rugged design to withstand a violent crash, and is used to determine the causes of aircraft accidents."They are often brightly colored to assist recovery, not actually black." [PJC]
For further exploring for "black box" in Webster Dictionary Online
