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 The Electrode Cell From  Positive Terminal Anode Noun

Title Anode
Text
Merriam-Webster's Collegiate Dictionary
an·ode
 \\ˈa-ˌnōd\\ noun
 ETYMOLOGY  Greek anodos way up, from ana- + hodos way
 DATE  1834
1. the electrode of an electrochemical cell at which oxidation occurs: as
  a. the positive terminal of an electrolytic cell
  b. the negative terminal of a galvanic cell
2. the electron-collecting electrode of an electron tube; broadly : the positive electrode of a diode — compare 
cathode

• an·od·ic  \\a-ˈnä-dik\\ also an·od·al  \\-ˈnō-dəl\\ adjective
• an·od·i·cal·ly  \\-di-k(ə-)lē\\ also an·od·al·ly  \\-dəl-ē\\ adverb
English Etymology
anode
  1834, coined from Gk. anodos "way up," from ana "up" + hodos "way" (see cede). Proposed by the Rev. William Whewell (17941866), Eng. polymath, and published by Eng. chemist and physicist Michael Faraday (1791-1867). So called from the path the electrical current was thought to take. Anodize is recorded from 1931.
Oxford Advanced Learner's Dictionary-牛津双解-OALD7
anode
anode 5AnEudNAmE 5Anoud / noun   (technical 术语) the 
electrode
 in an electrical device where 
oxidation
 occurs; the positive electrode in an 
electrolytic
 cell and the negative electrode in a battery
   阳极;正极
 compare 
cathode
Webster's Third New International Dictionary, Unabridged
an·ode
\ˈaˌnōd\ noun
(-s)
Etymology: Greek anodos way up, rise, from ana- + hodos road; from the belief that the electric current passes from east to west — more at 
cede

1. : the electrode at which electrons leave a device to enter the external circuit — opposed to cathode
2. 
 a. : the positive terminal of an electrolytic cell
 b. : the negative terminal of a primary cell or of a storage battery that is delivering current
 c. : the electron-collecting electrode of an electron tube : 
plate

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