accelerometer
(æksɛləˈrɒmɪtə(r))
[f. accelero- irreg. combining form repr. accelerate v., etc. + -meter.]
An instrument for ascertaining the acceleration of a moving body or for measuring mechanical vibrations.
| 1904 Amer. Inventor 15 July 312 (Cent. Dict. Suppl.), Accelerometer... This instrument consists of two glass vessels connected by a tube, one containing a liquid such as mercury and the other red alcohol. 1910 Westm. Gaz. 22 Mar. 5/2 Measuring B.H.P. on the Road, by an Accelerometer. 1932 Discovery Apr. 114/2 Accelerometers have been carried [in aircraft] to measure the resultant forces experienced in flight. 1946 Nature 14 Sept. 361/2 A vibrograph and accelerometer..much used to obtain vibration records on ships at sea. |