Karama scintillation bụ obere akpa akpa eji echekwa na nyocha ihe nlele redioaktivu, fluorescent ma ọ bụ fluorescent. A na-ejikarị iko a na-ahụ anya nke nwere mkpuchi na-agbapụta mmiri, nke nwere ike ịchekwa ụdị ihe nlele mmiri dị iche iche n'enweghị nsogbu.