scanning electron microscope

noun

a device in which the specimen is examined point by point directly in a moving electron beam, and electrons reflected by the specimen are used to form a magnified, three-dimensional image on a television screen. Abbreviation: SEM

Origin of scanning electron microscope

First recorded in 1950–55

Words nearby scanning electron microscope

Scandinavian Shield, scandium, scandium oxide, scanner, scanning disk, scanning electron microscope, scanning force microscope, scanning line, scanning probe microscope, scanning tunneling microscope, scansion

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for scanning electron microscope

scanning electron microscope

noun

a type of electron microscope that produces a three-dimensional image

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

Medical definitions for scanning electron microscope

scanning electron microscope

[ skăn′ĭng ]

n.

An electron microscope that forms a three-dimensional image on a cathode-ray tube by moving a beam of focused electrons across an object and reading both the electrons scattered by the object and the secondary electrons produced by it.

Scientific definitions for scanning electron microscope

scanning electron microscope

[ skăn′ĭng ]

An electron microscope that moves a narrowly focused beam of electrons across an object and detects the patterns made by the electrons scattered by the object and the electrons knocked loose from the object. From these patterns a three-dimensional image of the object is created.

单词	scanning electron microscope
释义	scanning electron microscope noun a device in which the specimen is examined point by point directly in a moving electron beam, and electrons reflected by the specimen are used to form a magnified, three-dimensional image on a television screen. Abbreviation: SEM Origin of scanning electron microscope First recorded in 1950–55 Words nearby scanning electron microscope Scandinavian Shield, scandium, scandium oxide, scanner, scanning disk, scanning electron microscope, scanning force microscope, scanning line, scanning probe microscope, scanning tunneling microscope, scansion Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for scanning electron microscope scanning electron microscope noun a type of electron microscope that produces a three-dimensional image 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 Medical definitions for scanning electron microscope scanning electron microscope [ skăn′ĭng ] n. An electron microscope that forms a three-dimensional image on a cathode-ray tube by moving a beam of focused electrons across an object and reading both the electrons scattered by the object and the secondary electrons produced by it. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for scanning electron microscope scanning electron microscope [ skăn′ĭng ] An electron microscope that moves a narrowly focused beam of electrons across an object and detects the patterns made by the electrons scattered by the object and the electrons knocked loose from the object. From these patterns a three-dimensional image of the object is created. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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