from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A surveying instrument that measures distance by measuring the roundtrip travel time of reflected microwaves.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A surveying instrument that uses radar to measure distances
Sorry, no etymologies found.
Other South African inventions on show are the tellurometer, the first commercial microwave distance-measuring device, used mainly for land surveying, the Scheffel Bogie, an undercarriage for trains, and the Freeplay wind-up radio.