A type of rock that has been melted and is in a liquid state, typically found in volcanic activity.

पिघला हुआ पत्थर

English Usage: The molten rock flowed down the side of the volcano after the eruption.

Hindi Usage: ज्वालामुखी के फटने के बाद पिघला हुआ पत्थर पहाड़ी के किनारे बह गया।