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maser

[mey-zer] /ˈmeɪ zər/
noun
1.
a device for amplifying electromagnetic waves by stimulated emission of radiation.
Compare laser.
Origin
1950-1955
1950-55; m(icrowave) a(mplification by) s(timulated) e(mission of) r(adiation)
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for maser
  • They called their invention an optical maser--basing the name on an earlier technique for amplifying microwaves.
  • It turns out that this signal is generated in the path between one maser and the phase comparator.
British Dictionary definitions for maser

maser

/ˈmeɪzə/
noun
1.
a device for amplifying microwaves, working on the same principle as a laser
Word Origin
C20: m(icrowave) a(mplification by) s(timulated) e(mission of) r(adiation)
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
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Word Origin and History for maser
n.

1955, acronym from "microwave amplification (by) stimulated emission (of) radiation."

Online Etymology Dictionary, © 2010 Douglas Harper
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maser in Science
maser
  (mā'zər)   
Short for microwave amplification by stimulated emission of radiation. A device that generates coherent microwaves using the same principles as a laser. Masers are used in a variety of applications, including in atomic clocks. Natural masers are found in outer space when water or other substances are excited by radiation from a star or by the energy of a collision.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Related Abbreviations for maser

maser

microwave amplification by stimulated emission of radiation
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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7
8
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