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单词 lava
释义

WordReference Random House Learner's Dictionary of American English © 2024
la•va /ˈlɑvə, ˈlævə/USA pronunciation   n. [uncountable]
  1. Geologythe hot, melted, fluid rock that comes out of a volcano.
  2. Geologythe rock formed when this becomes solid and cools.

WordReference Random House Unabridged Dictionary of American English © 2024
la•va  (lä′və, lav′ə),USA pronunciation n. 
  1. Geologythe molten, fluid rock that issues from a volcano or volcanic vent.
  2. Geologythe rock formed when this solidifies, occurring in many varieties differing greatly in structure and constitution.
  • Latin lābēs a sliding down, falling, akin to lābī to slide
  • Italian, origin, originally Neapolitan dialect, dialectal: avalanche
  • 1740–50

Collins Concise English Dictionary © HarperCollins Publishers::
lava /ˈlɑːvə/ n
  1. magma emanating from volcanoes and other vents
  2. any extrusive igneous rock formed by the cooling and solidification of molten lava
Etymology: 18th Century: from Italian (Neapolitan dialect), from Latin lavāre to wash
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更新时间：2025/7/23 12:35:21