noun Download 🔗Share A rock mostly composed of rock fragments of volcanic origin Examples : "The geology class studied a sample of pyroclastic from Mount Vesuvius. " geology material substance nature Chat with AIVocabulary GamePractice Reading
adjective Download 🔗Share Mostly composed of rock fragments of volcanic origin or comminuted during an eruption. Examples : "The geologist showed us a piece of pyroclastic rock formed from the volcano's violent eruption. " geology material environment Chat with AIVocabulary GamePractice Reading