LAVA Meaning and
Definition
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Lava is a noun that refers to the molten rock expelled by a volcano during an eruption and flowing from its vent or a crack in the Earth's crust. It is a key component of volcanic activity and is formed when extreme heat causes rocks deep within the Earth to melt and form a liquid substance. Lava is typically extremely hot, averaging temperatures of 700 to 1,200 degrees Celsius (1,292 to 2,192 degrees Fahrenheit), and can reach even higher temperatures depending on the type of volcano.
Once erupted, lava can flow down the sides of a volcano or spread out from a fissure, creating fiery rivers or pools. As it cools and solidifies upon exposure to the atmosphere, it transforms into solid rock formations known as igneous rocks. The texture of these rocks can vary depending on the cooling process and the composition of minerals present in the lava.
The viscosity of lava also plays a significant role in determining its behavior. Lava with low viscosity is more fluid and can flow more easily, covering greater distances. In contrast, lava with high viscosity is more sluggish and tends to produce slower-moving flows with a thicker consistency.
Lava can cause significant destruction to its surrounding environment, including property damage, wildfires, and the destruction of plant and animal life. However, it also plays a crucial role in the formation of new landforms, such as volcanic islands and mountains, as well as the replenishment of soil with mineral-rich deposits.
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The melted rock-matter which flows from a volcano.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
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Etymology of LAVA
The word "lava" originates from Italian, specifically from the dialect of Naples. It entered the English language in the mid-18th century. The Italian word "lava" is believed to come from the Latin word "labes", which means "a fall" or "a slide". This Latin term eventually evolved into "lava" in Italian, referring specifically to molten rock or magma that flows or slides during volcanic eruptions.
Similar spelling words for LAVA
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