scanning electron microscope (redirected from Scanning electron micrograph)

scan·ning electron microscope (sknng)

n. Abbr. SEM

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.

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scanning electron microscope (SEM),

n See microscope, electron, scanning (SEM).