| 单词 | cloud chamber |
| 释义 | cloud chambernoun Physics.an apparatus for determining the movements of charged particles, consisting of a chamber containing a supersaturated mixture of gas and vapor, the vapor condensing around ions created by the particle in its passing, thereby revealing the path of the particle. Also called expansion chamber, Wilson cloud chamber. Compare bubble chamber. Origin of cloud chamberFirst recorded in 1895–1900 Words nearby cloud chambercloudberry, cloudbow, cloudburst, cloud cap, cloud-capped, cloud chamber, cloud computing, cloud cover, cloud-cuckoo-land, cloud ear, clouded Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for cloud chambercloud chamber nounphysics an apparatus for detecting high-energy particles by observing their tracks through a chamber containing a supersaturated vapour. Each particle ionizes molecules along its path and small droplets condense on them to produce a visible trackAlso called: Wilson cloud chamber 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 cloud chambercloud chamber A device used to observe the movements of charged atomic and subatomic particles, such as ions, electrons, or muons. Cloud chambers consist of a closed container filled with a gas that is on the verge of condensing. Charged particles passing through the gas ionize the atoms in their path, forming visible lines of condensation. Compare bubble chamber. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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