| Accelerometer (n.) An apparatus for measuring the velocity imparted by gunpowder. Thesaurus Entries Mach meter, accelerometer, anemograph, anemometrograph, anemoscope, cock, ground log, harpoon log, log, log line, patent log, speedometer, tachometer, taffrail log, vane, weather vane, weathercock, wind cone, wind gauge, wind indicator, wind sock, wind vane, wind-speed indicator |