定てい在ざい波はていざいはMeanings1nounstanding wave; stationary wavephysicsPhysics term for a wave that remains in a constant position. Synonymous with 定常波 (ていじょうは).See also: 定常波弦げんの振しん動どうで定てい在ざい波はが観かん測そくされた。A standing wave was observed in the vibration of the string.