Lava Definition

lävə, lăvə
noun
Melted rock issuing from a volcano.
Webster's New World
Such rock when solidified by cooling.
Webster's New World

(informal, proscribed) Magma.

Wiktionary
pronoun

(Hinduism) One of the twin children of the Lord Rāma and his wife Sita in the Ramayana.

Wiktionary

A province in the Basque Country.

Wiktionary
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other
The igneous rock formed when this substance cools and hardens. Depending on its composition and the rate at which it cools, lava can be glassy, very finely grained, ropelike, or coarsely grained. When it cools underwater, it cools in pillow-shaped masses.
American Heritage Science
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 that contains abundant silica- and feldspar-rich components usually erupts with temperatures between 800°C and 1,000°C (1,472deg;F and 1,832°F).
American Heritage Science

Other Word Forms of Lava

Noun

Singular:
lava
Plural:
lavas

Origin of Lava

  • From Italian lava (“lava"), originally, in Naples, a torrent of rain overflowing the streets, from lavare (“to wash"). See etymology for the English verb lave.

    From Wiktionary

  • Italian perhaps from Latin lābēs fall from Latin lābī to fall

    From American Heritage Dictionary of the English Language, 5th Edition

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