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Black box   Listen
noun
Black box  n.  
1.
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.
2.
(aviation) 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. Note: They are often brightly colored to assist recovery, not actually black.






Collaborative International Dictionary of English 0.48








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"Black box" Quotes from Famous Books



... been needed to say what the black box had contained there was Mrs Rhymer, executrix under the old lady's will. And if Mrs. Rhymer had been at any need to refresh her memory regarding the contents opportunity had been given her no farther back than the afternoon of the previous Thursday. ...
— She Stands Accused • Victor MacClure

... escape," admitted Papa Littletail. "The boy had a sort of square, black box, and I'm sure it was filled with bullets. It had a great, round, shiny eye, that he pointed at me, and, when something clicked, he cried out, 'There, I have him!' But I did ...
— Sammie and Susie Littletail • Howard R. Garis

... ruffians in scarlet robes of cotton, hooded, and girdled at the waist. They were accompanied by a priest of a broad and jolly countenance, two grinning boys, and finally the corpse itself, severely habited in an under-dress of black box, but wearing an outer garment of red velvet, bordered and tasseled gayly. The pleasant ruffians (who all wore smoking- caps with some other name) placed this holiday corpse upon a bier, and after a ...
— Venetian Life • W. D. Howells

... Hank carried a rubber safe of matches. Producing this, he struck one of the tiny bits on the corrugated bottom of the little black box, and, shading the flame with his fingers from the moist wind caused by the dashing waters, he glanced at his immediate surroundings. He had strapped his Winchester to his back, and his arms ...
— Two Boys in Wyoming - A Tale of Adventure (Northwest Series, No. 3) • Edward S. Ellis

... away, slid back the lid, removed some shavings and looked inside. His official manner underwent a change; such a look of sudden human interest showed on his fat clammy face that I thought he must have found some quite new kind of sausage. But instead he drew out very gingerly a curious square black box with a sloping front, two round holes at one side, and a handle at the other. He put it down on the counter and ...
— Punch, or the London Charivari, Vol. 146, April 15, 1914 • Various

... matters, felt slightly disturbed. Was this some trick of the children? She must go and hunt them up, naughty little things. Ah! What was that, moving in the dusk? It was almost entirely dark now, but something was certainly coming up the gravel walk, something that glimmered white against the black box-hedges. Miss Sophronia uttered another piercing shriek, and would have fled, but Margaret detained her. "Who is that?" said the girl. "Basil, is that you? Where are ...
— Margaret Montfort • Laura E. Richards

... see them, my good girl. There is no need to brandish them in my face. Keep the jewel-case and give the rest of the things to the porter, and take him to look after the trunks. You remember which they are? The steamer trunk, the other trunk, the black box . . . Very well. Then make haste. And, when you've got them all together, tell the porter to find you a four-wheeler. The small things will go inside. Drive to the Savoy and ask for my suite. If they make any difficulty, tell them that I engaged the rooms yesterday ...
— The Little Warrior - (U.K. Title: Jill the Reckless) • P. G. Wodehouse

... into the front parlor. It is open, and through it the flowers may be seen. They are banked about a long black box with huge nickel handles, resting upon two folding horses. Now and then a man comes into the front room from the street door, his shoes squeaking hideously. Sometimes there is a woman, usually in deep mourning. Each visitor approaches the long black ...
— A Book of Burlesques • H. L. Mencken

... It consisted of a black box, with numerous wires, wheels, levers and projecting tubes. These latter contained lenses and shutters, but the Germans must have imagined devastating fire could spout from them. ...
— Ned, Bob and Jerry on the Firing Line - The Motor Boys Fighting for Uncle Sam • Clarence Young



Words linked to "Black box" :   recording equipment, recording machine, recorder



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