ac·​cel·​er·​om·​e·​ter | \ ik-ˌse-lə-ˈrä-mə-tər How to pronounce accelerometer (audio) , ak- \

Definition of accelerometer

: an instrument for measuring acceleration or for detecting and measuring vibrations

Examples of accelerometer in a Sentence

Recent Examples on the Web An accelerometer helps trigger the camera on garbage day. Rachel Metz, CNN, "Here's why McDonald's restaurants are putting cameras in their dumpsters," 18 Dec. 2020 Additionally, there’s a lot of tech in each bud: an IR sensor, three microphones and an accelerometer. Jason Cipriani, CNN Underscored, "Here’s what you need to know about Samsung’s Note 20 and 20 Ultra, Galaxy Buds Live, Tab S7 and S7+, and Galaxy Watch 3," 5 Aug. 2020 Others use the driver’s cellphone, which with its global positioning capability, accelerometer, gyroscope and magnetometer, can determine a lot about the way the car is being driven. Paul Stenquist, New York Times, "Pay Less When You Drive Less," 23 Jan. 2021 In addition, there are new ways to trigger recording, including using motion (the camera’s accelerometer and gyroscope) to start or stop capture. Gear Team, Wired, "CES 2021 Highlights: 79 Gadgets and Glimpses Into the Future," 14 Jan. 2021 The watch features an accelerometer and a heart rate monitor, which sync up to your Garmin Connect app. Ellen Mcalpine, CNN Underscored, "Your guide to buying a running watch," 23 Dec. 2020 Ryan Waniata, Reviewed's managing editor of electronics, is interested in the accelerometer and gyroscope in the headphones that apparently work with the ones in your iPhone or iPad to keep the virtual surround sound anchored to the phone. Courtney Campbell, USA TODAY, "You can pre-order Apple’s new AirPods Max headphones right now—here’s how," 8 Dec. 2020 The Apple Watch tracks sleep via the accelerometer (a sensor inside that detects acceleration) and also monitors respiration and your heart rate. Jacob Krol, CNN Underscored, "Track your sleep and hand-washing with watchOS 7," 10 Aug. 2020 But those policies typically require the driver to consent to providing that data through an on-board device with an accelerometer that transmits data wirelessly. Nathan Bomey, USA TODAY, "GM to offer OnStar auto insurance, promising lower rates the safer you drive," 18 Nov. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'accelerometer.' 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 accelerometer

1875, in the meaning defined above

History and Etymology for accelerometer

borrowed from French accéléromètre, from accélérer "to accelerate" (borrowed from Latin accelerāre) + -o- -o- + -mètre -meter

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Time Traveler for accelerometer

Time Traveler

The first known use of accelerometer was in 1875

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Statistics for accelerometer

Last Updated

21 Feb 2021

Cite this Entry

“Accelerometer.” Dictionary, Merriam-Webster, Accessed 7 Mar. 2021.

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More Definitions for accelerometer


ac·​cel·​er·​om·​e·​ter | \ ik-ˌsel-ə-ˈräm-ət-ər, ak- How to pronounce accelerometer (audio) \

Medical Definition of accelerometer

: an instrument for measuring acceleration or for detecting and measuring vibrations

More from Merriam-Webster on accelerometer

Nglish: Translation of accelerometer for Spanish Speakers Encyclopedia article about accelerometer

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