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anode

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an⋅ode

  [an-ohd]
Use anode in a Sentence
–noun
1. the electrode or terminal by which current enters an electrolytic cell, voltaic cell, battery, etc.
2. the negative terminal of a voltaic cell or battery.
3. the positive terminal, electrode, or element of an electron tube or electrolytic cell.
Origin:
1825–35; < Gk ánodos way up, equiv. to an- an- 3 + hodós way, road
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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an·ode   (ān'ōd')   
n.  

  1. A positively charged electrode, as of an electrolytic cell, storage battery, or electron tube.

  2. The negatively charged terminal of a primary cell or of a storage battery that is supplying current.


[Greek anodos, a way up : ana-, ana- + hodos, way.]
a·nod'ic (ə-nŏd'ĭk), a·nod'al (ə-nōd'l) adj., a·nod'i·cal·ly, a·nod'al·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

anode 
1834, coined from Gk. anodos "way up," from ana "up" + hodos "way" (see cede). Proposed by Whewell and published by Eng. chemist and physicist Michael Faraday (1791-1867). So called from the path the electrical current was thought to take.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: an·ode
Pronunciation: 'an-"Od
Function: noun
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 storage battery that is delivering current
2 : the electron-collectingelectrode of an electron tube —compare CATHODE
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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