noun
angular momentum
Physics term for the rotational analog of linear momentum. Used in classical and quantum mechanics.
角運動量は回転運動の勢いを表す物理量です。
Angular momentum is a physical quantity that represents the momentum of rotational motion.
角運動量保存則により、フィギュアスケート選手は腕を縮めると回転が速くなる。
Due to the conservation of angular momentum, a figure skater spins faster when pulling their arms in.