Definitions of electronics

n the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices

electron optics
the branch of electronics that deals with beams of electrons and their focusing and deflection by magnetic fields
the branch of electronics that deals with miniature components
the branch of electronics dealing with thermionic phenomena (especially thermionic vacuum tubes)
Type of:
natural philosophy, physics
the science of matter and energy and their interactions

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