accelerometer

[ak-sel-uh-rom-i-ter]

noun

1. an instrument for measuring acceleration, as of aircraft or guided missiles.

accelerometer

/ ækˌsɛləˈrɒmɪtə /

noun

1. an instrument for measuring acceleration, esp of an aircraft or rocket

Word History and Origins

Origin of accelerometer¹

First recorded in 1900–05; acceler(ation) + -o- + -meter

Example Sentences

The units were tested against a high-end inertial navigation system—which estimates position by using gyroscopes and accelerometers.

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The 33,560 who made the final cut wore an accelerometer for about seven days to establish how much they typically walk.

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Raichlen also pointed out that the effectiveness of a given step count may differ by age and that most existing studies rely on wrist-worn accelerometers, which can vary in precision.

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Their physical activity was measured using accelerometers they wore on their wrists; the researchers tested cognitive functions using online and paper-based tests.

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Most sleep trackers use an accelerometer to measure movement in sleep and track when the user is at rest.

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