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单词 pillow lava
释义

pillow lava


noun Geology.

lava in the form of an agglomeration of rounded, pillow-shaped masses, the result of subaqueous or subglacial volcanic eruption.

Origin of pillow lava

First recorded in 1900–05

Words nearby pillow lava

pillow, pillow block, pillowcase, pillow fight, pillow lace, pillow lava, pillow sham, pillow splint, pillow sword, pillow talk, pillowy
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for pillow lava

pillow lava

noun

lava that has solidified under water, having a characteristic structure comprising a series of close-fitting pillow-shaped masses
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for pillow lava

pillow lava
[ pĭlō ]

Lava that forms from an underwater eruption and is characterized by pillow-shaped masses. Pillow lava forms when hot lava is suddenly exposed to cold water, forming a sacklike membrane that is filled with additional cooling and solidifying lava. The outer membrane is usually finer grained than the inner lava.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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更新时间:2024/12/23 18:44:23