1. plural of lava; molten rock that flows from a volcano or hardens after cooling

Examples

• The volcanic eruption produced multiple streams of lavas flowing down the mountainside.
• Scientists studied the different types of lavas to understand the volcano’s history.
• Ancient lavas formed the rocky landscape we see today.
• The island was built up over time by successive lavas from underwater eruptions.
• Geologists can determine the age of lavas using radiometric dating.
• The lavas cooled and solidified into basalt rock formations.