| 单词 | volcanic glass |
| 释义 | volcanic glassnouna natural glass produced when molten lava cools very rapidly; obsidian. Origin of volcanic glassFirst recorded in 1830–40 Words nearby volcanic glassvolcanic, volcanic arc, volcanic ash, volcanic bomb, volcanic cone, volcanic glass, volcaniclastic, volcanic pipe, volcanic tuff, volcanism, volcanize Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for volcanic glass
British Dictionary definitions for volcanic glassvolcanic glass nounany of several glassy volcanic igneous rocks, such as obsidian and pitchstone 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 volcanic glassvolcanic glass Natural glass produced by the cooling of molten lava too quickly to permit crystallization. Obsidian is a type of volcanic glass. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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