black box

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See synonyms for black box on Thesaurus.com

noun

any unit that forms part of an electronic circuit and that has its function, but not its components, specified.

any comparatively small, usually black, box containing a secret, mysterious, or complex mechanical or electronic device.

Aeronautics. an electronic device, such as a flight recorder, that can be removed from an aircraft as a single package.

Automotive. a device in an electronic ignition system that generates electrical pulses.

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Origin of black box

First recorded in 1940–45

Words nearby black box

blackbody, blackbody radiation, black book, black bottom, black bottom pie, black box, black boy, black bread, black bream, black bryony, blackbuck

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use black box in a sentence

The world that Black Dynamite lives in is not the most PC place to be in.
‘Black Dynamite’ Presents Police Brutality: The Musical|Stereo Williams|January 9, 2015|DAILY BEAST
Music is a huge part of the tone of Black Dynamite overall—going back to the original 2009 movie on which the series is based.
‘Black Dynamite’ Presents Police Brutality: The Musical|Stereo Williams|January 9, 2015|DAILY BEAST
How far has Congress really evolved on race when in 50 years it has gone from one black senator to two?
The Unbearable Whiteness of Congress|Dean Obeidallah|January 8, 2015|DAILY BEAST
Even the arguably more democratic House is only at 10 percent black members.
The Unbearable Whiteness of Congress|Dean Obeidallah|January 8, 2015|DAILY BEAST

But in the case of black women, another study found no lack of interest.
The Unbearable Whiteness of Congress|Dean Obeidallah|January 8, 2015|DAILY BEAST
Suddenly, however, he became aware of a small black spot far ahead in the very middle of the unencumbered track.
The Joyous Adventures of Aristide Pujol|William J. Locke
The lady in black was reading her morning devotions on the porch of a neighboring bathhouse.
The Awakening and Selected Short Stories|Kate Chopin
Beside her was a box of bonbons, which she held out at intervals to Madame Ratignolle.
The Awakening and Selected Short Stories|Kate Chopin
Now and then the boy who had bought Squinty, and who was taking him home, would look around at his pet in the slatted box.
Squinty the Comical Pig|Richard Barnum
The little pig in the box felt himself being lifted out of the wagon.
Squinty the Comical Pig|Richard Barnum

British Dictionary definitions for black box

black box

noun

a self-contained unit in an electronic or computer system whose circuitry need not be known to understand its function

an informal name for flight recorder

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for black box

black box

A crash-resistant steel container that holds instruments that record performance data in airplanes. The data are used to analyze the causes of accidents.

black box

Origin of black box

Words nearby black box

Words related to black box

How to use black box in a sentence

British Dictionary definitions for black box

Cultural definitions for black box