スペックルMeanings1nounspeckle (interference pattern)physics›Technical term in physics for the granular interference pattern produced when coherent light is scattered, e.g. laser speckle.レーザー光こうを壁かべに当あてると、スペックルと呼よばれる粒りゅう状じょうの模も様ようが見みえる。When you shine a laser on a wall, you see a granular pattern called speckle.