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the negative pole

an electrode called cathode

the plus terminal

the positive and negative poles

of or at or pertaining to a cathode

the plus pole

electrodes

anode [cathode] rays

the positive terminal of an electrolytic cell

an electrode

charges of opposite sign

a electrode that produces thermoelectrons, called cathode

having an indicated pole (as the distinction between positive and negative electric charges)

a cathode that emits electrons when illuminated

an electrode called anode

the terminal of a battery that is connected to the negative plate

of or at or relating to an anode

the character of the negative electric pole

the positive pole of a vacuum tube

a heat cathode called {indirect heated cathode}

a flow of electrons emanating from a cathode in a vacuum tube called a cathode ray

a cathode that is a source of electrons without being heated

in electricity, a carbon point

an electronic component called cathode-ray tube

an electrode which is made with platinum

a netted pole between the positive and negative poles in a vacuum tube, called control grid

a high-speed flow of positive ions, which flow from the anode to the cathode in a vacuum discharge tube, called canal ray

the state of being electrically nonpolar

a rechargeable battery with a nickel cathode and a cadmium anode

a gird in an electron tube, called screen grid