Coffee has initially been a food – chewed, not sipped. Early African tribes consume coffee by grinding the berries together, adding some animal fat, and rolling the treats into tiny edible energy balls.
CATHODE
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
Etymology
Noun
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.
Coordinate terms
• 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
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27 May 2025
DIRECTIONALITY
(noun) the property of being directional or maintaining a direction; “the directionality of written English is from left to right”
Coffee Trivia
