单词 | anode |
释义 | anode[ an-ohd ] / ˈæn oʊd / nounthe electrode or terminal by which current enters an electrolytic cell, voltaic cell, battery, etc. the negative terminal of a voltaic cell or battery. the positive terminal, electrode, or element of an electron tube or electrolytic cell. Origin of anode1825–35; <Greek ánodos way up, equivalent to an-an-3 + hodós way, road Words nearby anodeanoa, anobiid, anococcygeal, anococcygeal nerve, anocutaneous line, anode, anode dark space, anode glow, anode resistance, anodic, anodize Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for anodeBritish Dictionary definitions for anodeanode / (ˈænəʊd) / nounthe positive electrode in an electrolytic cell Also called (esp US): plate the positively charged electrode in an electronic valve the negative terminal of a primary cellCompare cathode Derived forms of anodeanodal (eɪˈnəʊdəl) or anodic (əˈnɒdɪk), adjectiveWord Origin for anodeC19: from Greek anodos a way up, from hodos a way; alluding to the movement of the current to or from the positive pole Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for anodeanode [ ăn′ōd′ ] The positive electrode in an electrolytic cell, toward which negatively charged particles are attracted. The anode has a positive charge because it is connected to the positively charged end of an external power supply. The positively charged element of an electrical device, such as a vacuum tube or a diode, to which electrons are attracted. The negative electrode of a voltaic cell, such as a battery. The anode gets its negative charge from the chemical reaction that happens inside the battery, not from an external source. Compare cathode. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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