Definition of scanning electron microscope in English:

scanning electron microscope

Syllabification: scan·ning e·lec·tron mi·cro·scope
(abbreviation: SEM)


  • An electron microscope in which the surface of a specimen is scanned by a beam of electrons that are reflected to form an image.
    More example sentences
    • Another type of scanning electron microscope, the environmental scanning electron microscope, was developed in the late 1980s.
    • After all, the stars of the best forensic science shows are often the equipment - DNA sequencers, mass spectrometers, photometric fingerprint illuminators, scanning electron microscopes and the like.
    • The hot electron source has been used on most scanning electron microscopes since their introduction in 1965.

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Pronunciation: ˌkələrəˈto͝orə
elaborate ornamentation of a vocal melody