from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A negatively charged electrode, as of an electrolytic cell, a storage battery, or an electron tube.
- n. The positively charged terminal of a primary cell or a storage battery that is supplying current.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the electrode of an electrochemical cell at which reduction occurs
- n. the electrode through which current flows out of a device or cell (the negative terminal of an electrolytic cell or the positive terminal of a galvanic cell)
- n. the terminal through which current flows out of a diode when current is in the forward direction regardless of the direction the current is actually flowing
from the GNU version of the Collaborative International Dictionary of English
- n. The part of a voltaic battery by which the electric current leaves substances through which it passes, or the surface at which the electric current passes out of the electrolyte; the negative pole; -- opposed to anode.
from The Century Dictionary and Cyclopedia
- n. The negative pole of an electric current: opposed to anelectrode or anode. Also spelled kathode. Also called catelectrode.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a negatively charged electrode that is the source of electrons entering an electrical device
- n. the positively charged terminal of a voltaic cell or storage battery that supplies current
Greek kathodos, descent : kat-, kata-, cata- + hodos, way, path.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek κάθοδος (kathodos, "descent, way down"). (Wiktionary)