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

Each rover has two cameras, a thermometer, and an accelerometer. Joe Pappalardo, Popular Mechanics, "Japan's Space Agency Landed Bouncing Rovers on an Asteroid," 24 Sep. 2018 If a car's cameras and accelerometers detect someone leaning on the car, for example, the car's center screen will display, in font big enough for the knucklehead to see, a message that cameras are recording. Alexander George, Popular Mechanics, "Tesla Rolls Out Sentry Mode and Dog Mode to the Model 3," 14 Feb. 2019 These mechanical systems are used for things like the gyroscope and accelerometers. Peter Bright, Ars Technica, "Helium implicated in weird iPhone malfunctions," 31 Oct. 2018 In what appears to be a clear competitor to Life Alert, the Series 4 detects falls using a new accelerometer and gyroscope. Joanna Stern, WSJ, "Apple Watch Series 4 Review: Why I Finally Fell for This Wearable," 2 Oct. 2018 Instead of using cameras or accelerometers to make motion control happen, engineers from Google's experimental Advanced Technology and Projects division turned to extremely short-distance radar with fantastic results. Eric Limer, Popular Mechanics, "FCC Clears Google's Bonkers Radar Motion Tech," 2 Jan. 2019 Move Minutes are just the old step counter over time, but now separated Heart Points are earned for more vigorous workouts, as detected by accelerometers, speed, manual logging, and the heart-rate monitor of a Wear OS smart watch. Ron Amadeo, Ars Technica, "Google Fit gets all-white redesign, new activity rings [Update]," 21 Aug. 2018 The Apple watch also has accelerometers for built in fall detection. James Lynch, Popular Mechanics, "Buyer's Guide: How To Decide Between an Apple Watch and a Fitbit," 20 Dec. 2018 For this study, the researchers had babies wear accelerometers to detect motion and also used questionnaires for the parents. Sumathi Reddy, WSJ, "Babies’ Sleep Linked to Lower Obesity Risks Years Later," 15 Oct. 2018

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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Statistics for accelerometer

Last Updated

25 Mar 2019

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Time Traveler for accelerometer

The first known use of accelerometer was in 1875

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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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