thumping
n.— «Then a soldier would conduct the equivalent of what the oil industry calls “thumping.” Within the area rigged with sensors, a soldier would shoot a rifle at a small metal plate on the ground, causing reverberations anywhere from 20 to 200 feet into the ground.» —“Project lets Army dig deep into underground data” by Anne Broache CNET Aug. 22, 2005. (source: Double-Tongued Dictionary)
Further reading
It was a dark and stormy night. So begins the long and increasingly convoluted prose of Edwards Bulwer-Lytton’s best-known novel. Today the annual Bulwer-Lytton Contest asks contestants for fanciful first sentences that are similarly...
The words tough, through, and dough all end in O-U-G-H. So why don’t they rhyme? A lively new book addresses the many quirks of English by explaining the history of words and phrases. And: have you ever been in a situation where a group makes...