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[oh-dom-i-ter] /oʊˈdɒm ɪ tər/
an instrument for measuring distance traveled, as by an automobile.
Origin of odometer
1785-95, Americanism; variant of hodometer < Greek hodó(s) way + -meter
Related forms
[oh-duh-me-tri-kuh l] /ˌoʊ dəˈmɛ trɪ kəl/ (Show IPA),
odometry, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for odometry


/ɒˈdɒmɪtə; əʊ-/
(US & Canadian) a device that records the number of miles that a bicycle or motor vehicle has travelled Also called mileometer
Derived Forms
odometry, noun
Word Origin
C18 hodometer, from Greek hodos way + -meter
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
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Word Origin and History for odometry



1791, from French odomètre (1724), from Greek hodos "way" (see cede) + -meter. First recorded in writings of Thomas Jefferson.

Online Etymology Dictionary, © 2010 Douglas Harper
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odometry in Science
An instrument for indicating the distance traveled by a vehicle, typically by measuring the number of rotations of a wheel or fan whose rate of rotation depends on the speed of the vehicle. Compare speedometer.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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odometry in Technology

The use of motion sensors to determine a robot's change in position relative to some known position. For example, if a robot is traveling in a straight line and if it knows the diameter of its wheels, then by counting the number of wheel revolutions it can determine how far it has traveled. Robots will often have shaft encoders attached to their drive wheels which emit a fixed number of pulses per revolution. By counting these pulses, the processor can estimate the distance traveled.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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