electron microscopy(n = noun.act) - microscopy with the use of electron microscopes;
is a kind of microscopy

electron, electron accelerator, electron beam, electron emission, electron gun, electron lens, electron microscope, electron microscopic, electron multiplier, electron optics, electron orbit, electron paramagnetic resonance, electron radiation, electron shell, electron spin resonance, electron tube, electron volt, fluorescence microscopy, free electron, microscopy, valence electron