tachymeter
nounEtymology From tachy- + -meter.
1
A surveying instrument for quickly finding distances.
2
A speed indicator; a tachometer.
- Derived terms
- hydrotachymeter, phototachymeter, tachymetry
- Related terms
- tachometer
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.