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 Those who did not use a smartphone before bed at all All 167 participants were asked to spend at least eight hours in their bed and wear an accelerometer on their wrist to record their sleep activity. Jacob Siegal, BGR, "New study claims iPhone’s Night Shift doesn’t help you get to sleep," 28 Apr. 2021 Clear, offering options ranging from navigation to an accelerometer to measure G’s during acceleration, braking and cornering. Mark Phelan, Detroit Free Press, "2021 Porsche 911 turbo delivers legendary performance, latest tech," 15 Apr. 2021 The device also boasts a barometric altimeter and accelerometer. Outdoor Life, "Best Personal Locator Beacon: Choose the Right PLB for a Backcountry Adventure," 24 Feb. 2021 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

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.

See More

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

Keep scrolling for more

Learn More about accelerometer

Time Traveler for accelerometer

Time Traveler

The first known use of accelerometer was in 1875

See more words from the same year

Statistics for accelerometer

Last Updated

4 May 2021

Cite this Entry

“Accelerometer.” Dictionary, Merriam-Webster, Accessed 13 May. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

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

Comments on accelerometer

What made you want to look up accelerometer? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Words Used by Nabokov Quiz

  • image1676440788
  • Choose the best definition or synonym for the word in bold: "There are some eructations that sound like cheers—at least, mine did." Lolita
True or False

Test your knowledge - and maybe learn something along the way.

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!