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
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