cathode
(noun) a negatively charged electrode that is the source of electrons entering an electrical device
cathode
(noun) the positively charged terminal of a voltaic cell or storage battery that supplies current
Source: WordNet® 3.1
cathode (plural cathodes)
(electricity) An electrode, of a cell or other electrically polarized device, through which a positive current of electricity flows outwards (and thus, electrons flow inwards). It usually, but not always, has a positive voltage.
(chemistry, by extension) The electrode at which chemical reduction of cations takes place, usually resulting in the deposition of metal onto the electrode.
(electronics) The electrode from which electrons are emitted into a vacuum tube or gas-filled tube.
(electronics) That electrode of a semiconductor device which is connected to the n-type material of a p-n junction.
• anode
Source: Wiktionary
Cath"ode, n. Etym: [Gr. (Physics)
Definition: 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. Faraday. Cathode ray (Phys.), a kind of ray generated at the cathode in a vacuum tube, by the electrical discharge.
Source: Webster’s Unabridged Dictionary 1913 Edition
23 November 2024
(adjective) concerned primarily with theories or hypotheses rather than practical considerations; “theoretical science”
Contrary to popular belief, coffee beans are not technically beans. They are referred to as such because of their resemblance to legumes. A coffee bean is a seed of the Coffea plant and the source for coffee. It is the pit inside the red or purple fruit, often referred to as a cherry. Just like ordinary cherries, the coffee fruit is also a so-called stone fruit.
