electronics the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices
base a support or foundation; "the base of the lamp"
collector the electrode in a transistor through which a primary flow of carriers leaves the region between the electrodes
emitter the electrode in a transistor where electrons originate
fet,
field-effect transistor a transistor in which most current flows in a channel whose effective resistance can be controlled by a transverse electric field