[{"Bold_text": "noun", "List Items": ["a reechoed sound.", "the fact of being reverberated reflected.", "something that is reverberated :Reverberations from the explosion were felt within a six-mile radius.", "an act or instance of reverberating .", "Physics.the persistence of a sound after its source has stopped, caused by multiple reflection of the sound within a closed space.", "the act or process of subjecting something to reflected heat, as in a reverberatory furnace."]}]