noun🔗ShareThe fourth derivative of the position vector with respect to time; the time derivative of jerk."The engineers carefully analyzed the car's suspension to minimize the jounce felt by passengers when driving over bumpy roads. "physicsmathtechnicalChat with AIVocabulary GamePractice Reading
verb🔗ShareTo jolt; to shake, especially by rough riding or by driving over obstructions."The old truck would jounce and rattle every time it hit a bump in the dirt road. "vehicleactionChat with AIVocabulary GamePractice Reading