tachymeter

American

[ta-kim-i-ter, tuh-] / tæˈkɪm ɪ tər, tə- /

noun

Surveying.

any of several instruments for rapidly determining distances, directions, and differences of elevation.

tachymeter British

/ tæˈkɪmɪtə /

noun

another name for tacheometer

"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

Other Word Forms

tachymetry

noun

Etymology

Origin of tachymeter

First recorded in 1855–60; tachy- + -meter

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