scanning electron microscope


noun
  1. 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

1
First recorded in 1950–55

Words Nearby scanning electron microscope

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How to use scanning electron microscope in a sentence

British Dictionary definitions for scanning electron microscope

scanning electron microscope

noun
  1. 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

Scientific definitions for scanning electron microscope

scanning electron microscope

[ skănĭng ]


  1. 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.

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