disc brake


Definition of disc brake

: a brake that operates by the action of a frictional material pressed against the sides of a rotating disc by a caliper

Illustration of disc brake

Illustration of disc brake

disc brake: 1 caliper, 2 disc

Examples of disc brake in a Sentence

Recent Examples on the Web

The new e-bikes have a different braking system on the front wheel, using a disc brake instead of a roller brake. Matt Mcfarland, CNN, "Lyft returns e-bikes to streets for first time since crashes," 11 June 2019 Four-wheel disc brakes have 11.6-inch ventilated front rotors and solid 10.4-inch rear rotors. (james Halfacre), San Diego Union-Tribune, "2019 Mazda3: elevated design, distinct character," 8 June 2019 The 1959’s 302 engine and C4 transmission come from a 1973 Ford Mustang, which Moore installed in the early 1980s, and the 1976 AMC Pacer front end helps update the F-series panel truck with power steering and disc brakes. Heidi Van Horne, Houston Chronicle, "Patriotic Ford panel truck shines at Independence Day parades," 30 June 2018 View 36 Photos Safety equipment includes six seatbelts as well as four-wheel disc brakes from a current Toyota 4Runner (13.3-inch rotors in front, 12.3-inchers in back), which are adequately powerful but feel wooden at the pedal. Michael Simari, Car and Driver, "Time Is Money: We Test a $200K 1981 Toyota Land Cruiser," 15 Feb. 2018 For a heavier foot on the brake pedal, there's blended regen, in which the conventional disc brakes and regen work simultaneously. Matthew Jancer, Popular Mechanics, "Ram 1500 eTorque: Why the Electrified Pickup Truck Is Even Better," 19 Sep. 2018 Braking is capable with heavy-duty vented four-wheel disc brakes with 14.1-inch front rotors and 14.3 inches rear. Mark Maynard, sandiegouniontribune.com, "Nissan NV 3500 High Roof: The sky is the limit," 1 June 2018 When coasting, or when the driver applies just a little brake in a situation such as lumbering down a gentle hill, eTorque operates on pure regen, in which the truck's conventional disc brakes are disabled. Matthew Jancer, Popular Mechanics, "Ram 1500 eTorque: Why the Electrified Pickup Truck Is Even Better," 19 Sep. 2018 It's got a front suspension with 63mm of travel for a smoother ride, along with Shimano hydraulic disc brakes. Eric Bangeman, Ars Technica, "Faster and farther: Bulls Cross E8 electric bike review," 14 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'disc brake.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of disc brake

1865, in the meaning defined above

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Last Updated

16 Jun 2019

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Time Traveler for disc brake

The first known use of disc brake was in 1865

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More Definitions for disc brake

disc brake


English Language Learners Definition of disc brake

: a brake that works by two plates pressing against the sides of a disc that is connected to the center of a wheel

More from Merriam-Webster on disc brake

Rhyming Dictionary: Words that rhyme with disc brake

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