A geological phenomenon characterized by the eruption of materials that are partly volcanic in nature.

आधा ज्वालामुखीय

English Usage: The semivolcanic eruption produced a mixture of ash and lava.

Hindi Usage: आधा ज्वालामुखीय विस्फोट ने राख और लावे का मिश्रण उत्पन्न किया।