1 tachymeter | Definition of tachymeter

tachymeter

noun
ta·​chym·​e·​ter | \ taˈkimətə(r), təˈk-\

Definition of tachymeter

1 : an instrument for determining quickly the distances, bearings, and elevations of distant objects in surveying especially : a transit or theodolite with stadia hairs
2 : a speed indicator

History and Etymology for tachymeter

International Scientific Vocabulary tachy- + -meter

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