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 Ferrari has waxed eloquent about how the Elettrica won't simply mimic engine noises but produce a 'direct and authentic expression of its components,' by amplifying the vibrations picked up by an accelerometer installed on the inverter casting in the motor assembly. —New Atlas, 10 Oct. 2025

For decades, the Pentagon’s fallback has been inertial navigation systems (INS), which use gyroscopes and accelerometers to track motion without external signals. —Kapil Kajal, Interesting Engineering, 11 Sep. 2025

There's a new sensor in the earbuds, and that, in tandem with the accelerometer and machine-learning algorithms, allows for the calculation of your heart rate. —Samuel Axon, ArsTechnica, 9 Sep. 2025

Instead of using accelerometers and gyroscopes, a quantum sensor measures rotation and acceleration at the atomic level. —Matthew Glasser, ABC News, 19 Aug. 2025

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