thumper truck
n.— «Dawson has deployed three trucks to test 30-square miles that cover neighborhoods and non-residential areas in and around Fort Worth. The trucks emit a vibration into the ground ranging from 10-120 hertz. Small white boxes placed at 180-foot intervals are recording stations that can pick up the seismic signal from up to two miles away.…What some companies call a thumper truck.» —“Energy companies using seismic activity to test Barnett Shale through mid-August” by Erin Rice Pegasus News (Dallas, Texas) Aug. 5, 2008. (source: Double-Tongued Dictionary)
Further reading
Enthusiastic book recommendations! Martha’s savoring the biography of Alexander von Humboldt, the 19th-century explorer, polymath, and naturalist who revolutionized our understanding of nature and predicted the effects of human activity on...
Jerome in Fort Worth, Texas, was surprised to order pully bacon for breakfast at a restaurant, only to find that the restaurant workers had no idea what he meant. He’s long used that term for bacon that’s not crispy and brittle but has a somewhat...