accelerometer

noun

ac·​cel·​er·​om·​e·​ter ik-ˌse-lə-ˈrä-mə-tər 

ak-

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

Examples of accelerometer in a Sentence

Recent Examples on the Web

But the use of movement-tracking accelerometers could help researchers quantify instances of PES. — New Atlas, 17 Aug. 2026

To gauge the level of effort, Google combines artificial intelligence with other sensors, including an accelerometer, barometer, and ones for heart rate and skin temperature. — Bloomberg, Mercury News, 12 Aug. 2026

The newer research uses accelerometers to measure walking objectively, giving a clearer picture of who is actually moving and how often. — Samantha Agate, Kansas City Star, 1 Aug. 2026

Wearables use temperature sensors, accelerometers, light sensors and photoplethysmography (PPG), which pulses light through the skin to measure blood flow, heart rate and approximate blood oxygen. — Hanna Wickes, Sacbee.com, 31 July 2026

Word History

Etymology

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

First Known Use

1875, in the meaning defined above

Rhymes for accelerometer

• interferometer
• potentiometer
• spectrophotometer
• anemometer
• audiometer
• densitometer
• diffractometer
• dilatometer
• dynamometer
• electrometer
• extensometer
• goniometer

Kids Definition

accelerometer

noun

ac·​cel·​er·​om·​e·​ter ik-ˌsel-ə-ˈräm-ət-ər 

ak-

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

Medical Definition

accelerometer

noun

ac·​cel·​er·​om·​e·​ter ik-ˌsel-ə-ˈräm-ət-ər, ak- 

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