scanning electron microscope

Definitions

General Science

  • noun a microscope that uses an electron beam instead of light to produce highly magnified images

Electronics

  • An electron microscope in which the electron beam is scanned over the surface of the specimen. Such a microscope produces a three-dimensional view on a film or display screen. This contrasts, for instance, with a transmission electron microscope, which passes an electron beam through a thin sample. Its abbreviation is SEM.
  • acronymSEM

Cars & Driving

  • noun a preassembled fastener, consisting of any type of screw or bolt, furnished with a toothed washer

Food

  • green beans
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