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decelerometer

American  
[dee-sel-uh-rom-i-ter] / diˌsɛl əˈrɒm ɪ tər /

noun

  1. a device that measures the rate of deceleration, as of a vehicle.

decelerometer British  
/ dɪˌsɛləˈrɒmɪtə /

noun

  1. an instrument for measuring deceleration

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of decelerometer

First recorded in 1920–25; deceler(ation) ( def. ) + -o- + -meter

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.