Also found in: Thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia.
Any of a class of microscopes that use electrons rather than visible light to produce magnified images, especially of objects having dimensions smaller than the wavelengths of visible light, with linear magnification approaching or exceeding a million (106).
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.
(General Physics) a powerful type of microscope that uses electrons, rather than light, and electron lenses to produce a magnified image
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a microscope of extremely high power that uses beams of electrons focused by magnetic lenses instead of rays of light, the magnified image being formed on a fluorescent screen or recorded on a photographic plate.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
An instrument that uses a beam of electrons to view objects that are too small to be seen with an ordinary microscope. As the electrons hit the object being viewed, other electrons are knocked loose from its surface and are picked up by a detector that converts them into a black and white image.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Switch to new thesaurus
|Noun||1.||electron microscope - a microscope that is similar in purpose to a light microscope but achieves much greater resolving power by using a parallel beam of electrons to illuminate the object instead of a beam of light|
electron gun - the electrode that is the source of electrons in a cathode-ray tube or electron microscope; consists of a cathode that emits a stream of electrons and the electrostatic or electromagnetic apparatus that focuses it
field-emission microscope - electron microscope used to observe the surface structure of a solid
microscope - magnifier of the image of small objects; "the invention of the microscope led to the discovery of the cell"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
n → Elektronenmikroskop nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
electron microscopen → microscopio elettronico
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
n. microscopio electrónico, microscopio visual y fotográfico en el cual los rayos electrónicos poseen la longitud de onda mil veces más corta que la luz visible.
English-Spanish Medical Dictionary © Farlex 2012