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 The waterproof metallic body houses an accelerometer that provides sleep metrics and can differentiate between running, walking, and swimming, while the silicone strap fends off water and sweat. Michael Frank, Outside Online, 14 May 2015 Meanwhile, the battery pack is also equipped with an accelerometer and gyroscope to track things like speed and angular velocity, plus a Bluetooth radio chip that sends all that information to an app. Outside Online, 20 May 2022 These smart swim goggles count your laps, pace, and even strokes per lap using a built in accelerometer and gyroscope. Outside Online, 27 May 2022 The controller's 2009 revision, Wii MotionPlus, addressed this by combining an accelerometer and gyroscope to interpret bowling-like rotation better. Sam Machkovech, Ars Technica, 3 May 2022 Other information about a person’s gait and voice could be combined using the microphone, accelerometer and gyroscope to authenticate them if required. Kate O'flaherty, Forbes, 28 Jan. 2022 But the smoking gun came from an accelerometer clipped to the subjects’ waistbands, which measured the rise and fall of their center of mass. Alex Hutchinson, Outside Online, 27 Dec. 2020 Another countermeasure is to use a phone’s accelerometer to measure its movements. Dan Goodin, Ars Technica, 19 May 2022 The Series 6 still features an accelerometer, gyroscope, compass, always-on altimeter and GPS. Jacob Krol, CNN Underscored, 24 Sep. 2020 See More

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.

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

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The first known use of accelerometer was in 1875

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Last Updated

27 Jul 2022

Cite this Entry

“Accelerometer.” Dictionary, Merriam-Webster, Accessed 13 Aug. 2022.

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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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