화산의 분화구나 지각의 틈을 통해 지표면으로 분출된 고온의 액체 상태 암석, 또는 이것이 식어서 굳은 암석.
Hot molten or semifluid rock erupted from a volcano or fissure, or the solid rock resulting from its cooling.
예문:
"The red-hot lava flowed slowly down the mountain, destroying several homes in its path."
"After the volcanic eruption, the island was covered in a thick layer of hardened lava."
"Scientists monitored the temperature of the cooling lava to predict when it would stop moving."