disk-brake

disk brake

noun Automotive.
Dictionary.com Unabridged

disc brake

noun Automotive.
a brake system in which a disc attached to a wheel is slowed by the friction of brake pads being pressed against the disc by a caliper.
Also, disk brake.


Origin:
1900–05

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
disc brake
 
n
a type of brake in which two calliper-operated pads rub against a flat disc attached to the wheel hub when the brake is applied

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
disc brake also disk brake   (dĭsk)  Pronunciation Key 


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A brake in which friction is caused by a set of pads, usually made of steel, that press against a rotating disk to slow or stop its rotation.
disk brake  
Another spelling of disc brake.
The American Heritage® Science Dictionary
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