noun
: a mechanical, electric, or acoustic oscillation (as of a road scraper, wires singing in wind) that consists of a build-up of displacement followed by sudden release of the displaced system
noun
: a mechanical, electric, or acoustic oscillation (as of a road scraper, wires singing in wind) that consists of a build-up of displacement followed by sudden release of the displaced system
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012