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The meaning of LAVA is molten rock that issues from a volcano or from a fissure in the surface of a planet (such as earth) or moon; also : such rock that has cooled and hardened. How to use lava in a sentence.
Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a moon onto its surface. Lava may be erupted at a volcano or through a fracture in the crust, on land or underwater, usually at temperatures from 800 to 1,200 °C (1,470 to 2,190 °F).
lava, magma (molten rock) emerging as a liquid onto Earth’s surface. The term lava is also used for the solidified rock formed by the cooling of a molten lava flow. The temperatures of molten lava range from about 700 to 1,200 °C (1,300 to 2,200 °F).
Molten rock that flows from a volcano or from a crack in the Earth. Most lava flows at a rate of a few kilometers per hour, but rates as high as 60 km (37 mi) per hour have been observed. Lava that contains abundant iron- and magnesium-rich components usually erupts with temperatures between 1,000°C and 1,200°C (1,832deg;F and 2,192°F).
LAVA definition: 1. hot liquid rock that comes out of the earth through a volcano, or the solid rock formed when it…. Learn more.
LAVA meaning: 1. hot liquid rock that comes out of the earth through a volcano, or the solid rock formed when it…. Learn more.
1. Molten rock that reaches the earth's surface through a volcano or fissure. 2. The rock formed by the cooling and solidifying of molten rock. [Italian, perhaps from Latin lābēs, fall, from Latin lābī, to fall.] Word History: Appropriately, lava was named by people living near Mount Vesuvius.
Definition of lava noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
LAVA definition: hot melted rock that comes out of a volcano. Learn more.
Lava is the hot liquid rock that pours from an erupting volcano. Under the earth's crust is molten rock called magma, along with explosive gases. Under the right conditions, the gases send the magma up through volcanoes, which act as vents in the surface of the earth.