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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



... black box seemed again about to rise when there came a sharp cry from Meka. "This room ...
— Wandl the Invader • Raymond King Cummings

... by the window, and, opening a portmanteau, brought a small black box to the bedside. His master passed his hand over it, and drew it ...
— A Monk of Cruta • E. Phillips Oppenheim

... both hands are empty, he points with one finger to the box, where immediately appears a small white china bowl. Holding his empty hand over this bowl, some oranges and apples drop from his empty hand into the bowl. He removes the bowl from the black box, or cave, and hands its contents round to the audience. Receiving the bowl again, he tosses it into the cave, but it never reaches the ...
— The Boy Mechanic: Volume 1 - 700 Things For Boys To Do • Popular Mechanics

... with a curl over the forehead such as little boys used to wear; his brown eyes were bright and quick as a bird's, and like a bird's, they glanced from side to side, taking in everything. He carried an oblong black box, evidently a violin-case, at which he cast an affectionate look from time to time. As he approached the village, his glances became more and more keenly intelligent. He seemed to be greeting a friend in every tree, in every straggling rose-bush along the roadside; he nodded his head, and ...
— Melody - The Story of a Child • Laura E. Richards

... follows, copied from the folio manuscript paper book, in the file of the treasury office, No. 3700, being a black box of tin containing, under lock and key, ...
— Life And Times Of Washington, Volume 2 • John Frederick Schroeder and Benson John Lossing

... a doorway and in a few moments returned with a black box of worm-eaten wood, covered with inscriptions in the form of birds, beasts, and ...
— The Reign of Greed - Complete English Version of 'El Filibusterismo' • Jose Rizal

... a narrow 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 not ...
— Sammie and Susie Littletail • Howard R. Garis

... betray innocent girls. A murder may be forgotten or the grief lessened, but the living death to which you sought to lead these girls is far worse than for their friends to have placed them in a black box and hauled ...
— Fighting the Traffic in Young Girls - War on the White Slave Trade • Various

... said, "you can prove it for yourself. I know a little of your husband and his doings. Does he not carry always with him a black box which he will not allow ...
— Peter Ruff and the Double Four • E. Phillips Oppenheim

... plan. Jon bellowed them in the startled man's ear as he stuffed the dismembered leg down the front of the man's baggy slacks. It had the desired effect, Coleman's finger stabbed at the button but stopped before it made contact. He stared down with bulging eyes at the little black box of death peeping out ...
— The Velvet Glove • Harry Harrison

... helped her out at the steps, and hitched my horse under the long shed. We entered together and made our way through the chattering crowd to the little cloakroom in one corner. Elder Whitmarsh arrived in a moment and the fiddler, a short, stout, stupid-looking man, his fiddle in a black box under his arm, followed him to the platform that had been cleared of its pulpit The stranger stood staring vacantly at the crowd until the elder motioned him to a chair, when he obeyed with the hesitating, blind ...
— Eben Holden - A Tale of the North Country • Irving Bacheller

... out with my camera. (Saturday you will note. I have learned already that to be seen on Sundays in this Sabbatarian spot, even walking about with that inconspicuous black box, is anathema.) A crowd of children in a disjointed procession had collected in front of the hospital, and the patients on the balconies were delightedly craning their necks. A biting blast was blowing, but the children, clad in white garments, ...
— Le Petit Nord - or, Annals of a Labrador Harbour • Anne Elizabeth Caldwell (MacClanahan) Grenfell and Katie Spalding

... the prettiest kind of a picture, won't they?" he observed, sliding the small black box back into its case. "I wish I had another film; I'd take a lot of pictures about this place. I mean always to be loaded, but November isn't usually the time for photographs, and I'd forgotten all ...
— The Twenty-Fourth of June • Grace S. Richmond

... mummy no more, but a pale, silent figure in its tatters of clothing. Loy Chuk put an odd, metal-fabric helmet on its head, and a second, much smaller helmet on his own. Connected with this arrangement, was a black box of many uses. For hours he worked with his apparatus, studying, and guiding the recording instruments. The time ...
— The Eternal Wall • Raymond Zinke Gallun

... 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

... brother was then born to me, and lay undressed upon a cushion, while my father cried with sobs. I had just completed my third year, and could not understand why, the next day, this little thing was carried off in a black box. ...
— A Practical Illustration of Woman's Right to Labor - A Letter from Marie E. Zakrzewska, M.D. Late of Berlin, Prussia • Marie E. Zakrzewska

... he had followed the old caretaker, and had deliberately planned to capture him in this way. His prize now secured, he made his way straight for a gondola and gave orders to be rowed with the greatest possible speed to his lodgings, and, on arriving, carried to his room the innocent-appearing black box which resembled nothing so ...
— Chico: the Story of a Homing Pigeon • Lucy M. Blanchard

... was the grand fact with which he had just then to do. How near he had been to purchasing the vicar's reversion! The engrossed deeds lay in the black box there. And yet it might be all true about Mark's secret marriage. At that moment there might be a whole rosary of sons, small and great, to intercept the inheritance; and the Reverend William Wylder might have no ...
— Wylder's Hand • J. Sheridan Le Fanu

... There was the dusty roll of wall-paper leaning up in one corner; there was the thin, bent, old poker, which had somehow a queer likeness to Sophia Jane; there was the body of the poor doll, still headless and forlorn, stretched on the floor; and there, under the cobwebby window, was the big black box. Behind that was what she had come ...
— Susan - A Story for Children • Amy Walton

... my Lord's will in a black box to Mr. William Montagu for him to keep for him. Then to the barber's and put on my cravat there. So to my Lord again, who was almost ready to be gone and had staid for me. Hither came Gilb. Holland, and brought me a stick rapier and Shelston a sugar-loaf, ...
— Diary of Samuel Pepys, Complete • Samuel Pepys

... arose abruptly and, crossing to a large vault built in a far corner, returned with a heavy black box curiously bound with brass and inlaid with silver. Placing it on the table between us, he took from his watch chain a small antique key and pushing it, with a queer side-motion, into the lock, it opened with a sharp snap, and he threw ...
— The Colonel of the Red Huzzars • John Reed Scott

... that strange world, not even tea-cups with blue rims like these she was washing up for the last time. Everything new, down to the two lilac prints, made longer than ever before, lying at the bottom of the new black box. It was wonderful to think of, and very confusing to the mind. There would even be a new baby to look after. But when Biddy reached this point she smiled securely, for she had no fears about the baby, though Mrs Roy had looked so doubtfully ...
— A Pair of Clogs • Amy Walton

... direction was dated before she was taken ill:—"To be given to Margaret in case of my death. June 5th, 1848." They were my letters, and those which she had received from Harry Lothrop. On this envelop was written, "Put these into the black box he gave you." The gold pen-holder came into my hands also. Departure was engraved on the handle, and Laura's initials were cut in an emerald in its top. The black box was an ebony, gold-plated toy, which Harry Lothrop had ...
— Atlantic Monthly, Vol. 5, No. 31, May, 1860 • Various

... as probably you don't, and had some goodish lessons there. Afterwards, when I got on the wander and took to pawning things, my spare shirt went frequently, but I always managed to stick to that little black box somehow. And I played on forecastle heads and on beaches and in sailors' lodgings ashore, and occasionally I got a week or so's lessons from a good man ashore; and then I heard concerts and good orchestras all up and down. And so, you see, I picked it up that way.... No, I don't play from paper ...
— The Recipe for Diamonds • Charles John Cutcliffe Wright Hyne

... can go down at once." With these words the man in satin turned to a small black box in one wall of the elevator and touched a button. [Footnote: For details of this and other matters of an electrical and mechanical nature, the technical reader is referred to Mr. Smith's reports to the A. S. ...
— The Lord of Death and the Queen of Life • Homer Eon Flint

... made some objections, but ended by producing from a black box, a bundle of papers, amongst which were the signed and witnessed confessions of Vincenza Vasari and a woman named Rosa Naldi, who had helped in the exchange of the children. Mr. Brett would not allow these papers to go out of his own hands, but he showed them to Percival, expounded their ...
— Under False Pretences - A Novel • Adeline Sergeant

... fitting the key into the black box she'd taken from the top drawer. Nat had got to the outside door when he heard her come ...
— In the Bishop's Carriage • Miriam Michelson

... just went over the take. We've got enough money in that locker"—he indicated a black box on the floor—"to sit back and take it easy for the rest ...
— On the Trail of the Space Pirates • Carey Rockwell

... and the afternoon began to wear on, a black box became visible on deck, which box was in charge of certain personages also in black, of whom only one had the conventional air of an itinerant preacher. This box contained a supply of hymn- books, neatly printed and got up, published ...
— The Uncommercial Traveller • Charles Dickens

... of them, struck most ridiculous attitudes at Edie's word, while an oblong, black box suddenly appeared, affixed upon a tripod, and May MacGreggor, who was out for fun as much as any of the sophomores, began to turn a tiny crank on one ...
— Ruth Fielding At College - or The Missing Examination Papers • Alice B. Emerson

... in his hands, which contained the makings and full directions for setting up a red and black box-kite, a picture of which in full flight adorned the cover, a war-whoop of ...
— Purple Springs • Nellie L. McClung

... jumped up quickly in the seat, stood on his toes and craned his neck through the diagonally opened transom. Before any of the waiters, who were busy clearing up the results of the last theatre raid, had a chance to notice him, Craig had slipped the little black box into the shadow of ...
— The Ear in the Wall • Arthur B. Reeve

... sich gam abaat it wol we coom up to this quiet corner, pairtly to get aght oth gate on 'em, an pairtly becoss aw anlls liked th' country best, soa here we are, just as yo see us, an here it's varry likely we shall stop till one on us is fotched away in a black box. Th' owd tom-cat's deead, an aw stuffed it, an yo can see it at top oth clock, so nah 'Yo know th' ...
— Yorksher Puddin' - A Collection of the Most Popular Dialect Stories from the - Pen of John Hartley • John Hartley

... package, and sliced a lemon into it. When he had finished eating, he carefully rolled up the food again and put it away, and settled back in his chair. With great deliberation he took out of his vest pocket a little black box with bright flowers painted on the lid. He fingered it lovingly for a moment, then he took a pinch of snuff, closing his eyes in ecstasy and inhaling deeply. He did this three times and blew his nose vigorously. Then he put the box away, brushing off the ...
— Trapped in 'Black Russia' - Letters June-November 1915 • Ruth Pierce

... from which Russ had just emerged, and the latter showed him where he had placed the reel. It was enclosed in its own case as it came from the camera, and that case, as an additional protection, was placed in a light-tight black box. This box would hold several reels; but that night only one, and the most important of those taken on the trip, was ...
— The Moving Picture Girls at Rocky Ranch - Or, Great Days Among the Cowboys • Laura Lee Hope

... went home in his little coupe. He was desperately fatigued, for he was still very weak, and he feared lest his imprudence in going out so soon might bring on a relapse from his convalescence. Nevertheless, before he went to bed he dismissed Temistocle, and opened a shabby-looking black box which stood upon his writing-table. It was bound with iron, and was fastened by a patent lock which had frequently defied Temistocle's ingenuity. Prom this repository he took a great number of papers, which were all ...
— Saracinesca • F. Marion Crawford

... following the departure of Mike Stelton and his punchers was made notable by the arrival of a man on horseback, who carried across his saddle a black box, and in thongs at his side a three-legged standard of yellow wood. His remaining equipment was a square of ...
— The Free Range • Francis William Sullivan

... 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 ...
— The Little Warrior - (U.K. Title: Jill the Reckless) • P. G. Wodehouse

... and the brown velvet on her hat was decidedly worn. How was the young lady to know that Bessie was wearing her oldest things from a sense of economy, and that her new jacket and best hat—a very pretty one—were in the neat black box in ...
— Our Bessie • Rosa Nouchette Carey

... man, he'll recover the moment you open the door and window; get the box. Hold your nose with your fingers and keep your mouth shut. There it is, that black box in the corner." ...
— Jennie Baxter, Journalist • Robert Barr

... really black. It was a dark cordovan brown, made even darker by long usage, which had added oily stains to the well-used leather. But Thorn thought of it as the Black Suitcase simply because it was the perfect example of the proverbial Little Black Box—the box that Did Things. As a test question in an examination, the Little Black Box performs a useful function. The examiner draws a symbolic electronic circuit. Somewhere in the circuit, instead ...
— With No Strings Attached • Gordon Randall Garrett (AKA David Gordon)

... the day when a lady arrived, in a cab from the railway, at the Sheep's Head Hotel. Her luggage consisted of a black box, and of a well-worn leather bag which she carried in her hand. The name on the box (recently written on a new luggage label, as the color of the ink and paper showed) was a very good name in its way, common to a very great number of ladies, both in Scotland ...
— Man and Wife • Wilkie Collins

... future use,' said my sister. And bidding me watch the creature carefully until she should return, she left the room, and, after none too short an absence, returned bearing a black box that was an apparatus for photography, and something more besides,—some newer, stranger kind of photography that she had learned. Then, on a strangely fashioned card, a transparent white card, composed of many layers of finest Oriental paper, she took ...
— Masterpieces of Mystery - Riddle Stories • Various

... believe I have some of the preparation in one or another of my pockets," feeling in one and then another, as if doubtful. "Ah, here it is," and he took out from one of his pockets which he had hurriedly gone over with his hands at least half a dozen of times, a small black box, four or five inches in length and perhaps two in width by an ...
— Shoulder-Straps - A Novel of New York and the Army, 1862 • Henry Morford

... together with his handkerchief, now wet with blood. I wondered how he could think of taking a picture. His very deliberation set me fretting and fuming, and I swore at him under my breath. Still, he worked calmly ahead. I saw him take the black box and set it on the tripod. It was indistinct in the darkness. It looked like a camera, and yet it had some attachment at the side that was queer, including a little lamp. Craig bent and attached some ...
— The Poisoned Pen • Arthur B. Reeve

... age of thirteen the fear of death entered F.'s life, the occasion being the death of an uncle. The mourning, the quick fleeting sight of the dead man in the black box, the interment of the once vigorous, joyous man in the earth struck terror into the heart of the boy. From that time much of his life was controlled by his struggles with the fear of death, and his history is his reaction to that fear. At fourteen he astonished his free-thinking family by becoming ...
— The Foundations of Personality • Abraham Myerson

... the Latin prayers aloud. A small boy swings the smoking censer, and the singers undertake a melancholy dirge. The withered body, with the hands crossed on the breast, clothed all in black, is borne aloft upon a bamboo litter, mounted with a black box painted with the skull and bones, and decked with candles. Women in black veils with candles follow, mumbling prayers, the words of which they ...
— The Great White Tribe in Filipinia • Paul T. Gilbert

... 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 ...
— Two Boys in Wyoming - A Tale of Adventure (Northwest Series, No. 3) • Edward S. Ellis

... is a vehicle peculiar to the south of Ireland; it resembles a two-wheeled waggonette with a windowless black box on top of it. Its mouth is at the back, and it has the sinister quality of totally concealing its occupants until the irrevocable moment when it is turned and backed against your front door steps. For this moment my brother Robert and ...
— All on the Irish Shore - Irish Sketches • E. Somerville and Martin Ross

... Henning was to take advantage of his position in that little inner room to get at the safe some day when it was open and when you were engaged in your own private inner room with a client, so leaving the safe unwatched. He was provided with a spare patent padlock and key, of the sort you used on that black box, and his confederate had drilled him in the trick of breaking that particular sort of padlock open, with other spare specimens. He got his ...
— The Red Triangle - Being Some Further Chronicles of Martin Hewitt, Investigator • Arthur Morrison

... your sleeping-room, pushed my little grandson, who was standing by it, into the room and barred it within. Thanks to my long legs, the others were so far behind that I had time to get hold of the black box which you had told me to take so much care of, put it into the child's arms, lift him through the window on to the balcony which runs round the house towards the inner court, and tell him to put it at once into the pigeon-house. Then I opened the ...
— Uarda • Georg Ebers

... this one; and Sir George sniffed his contempt. He turned the box over and over in his hand. It was a plain, black box, of smooth enamel, about ...
— The Castle Inn • Stanley John Weyman

... may be made of paste board boxes about the size of a shoe box. Cut holes for eyes, nose and mouth in all four sides of the box and cover the holes with red or green tissue paper. A black box with the openings covered with red tissue paper or vice versa or white and green make ...
— Games For All Occasions • Mary E. Blain



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



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