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A material added in small amounts during a chemical or metallurgical process to absorb impurities.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. a person or thing that gets
2. (General Physics) a substance, usually a metal such as titanium, evaporated onto the walls of a vacuum tube, vessel, etc, to adsorb the residual gas and lower the pressure
(General Physics) (tr) to remove (a gas) by the action of a getter
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. a person or thing that gets.
2. any substance introduced into a partial vacuum to combine chemically with the residual gas in order to increase the vacuum.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Past participle: gettered
Collins English Verb Tables © HarperCollins Publishers 2011