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anion - 7 dictionary results
an⋅i⋅on
[an-ahy-uh
n] 
–noun Physical Chemistry.
| 1. | a negatively charged ion, as one attracted to the anode in electrolysis. |
| 2. | any negatively charged atom or group of atoms (opposed to cation ). |
Origin:
1825–35; < Gk, neut. of ani
n going up (prp. of aniénai to go up), equiv. to an- an- 3 + -i- go + -ōn prp. suffix
1825–35; < Gk, neut. of ani
n going up (prp. of aniénai to go up), equiv. to an- an- 3 + -i- go + -ōn prp. suffixRelated forms:
an⋅i⋅on⋅ic [an-ahy-on-ik] , adjective
[an-ahy-on-ik] , adjective an⋅i⋅on⋅i⋅cal⋅ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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|
Link To anion
| an·i·on (ān'ī'ən) n. A negatively charged ion, especially the ion that migrates to an anode in electrolysis. [From Greek, neuter present participle of anienai, to go up : ana-, ana- + ienai, to go; see ei- in Indo-European roots.] an'i·on'ic (-ŏn'ĭk) adj., an'i·on'i·cal·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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Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Anion
An"i*on\, n. [Gr. ?, neut. ?, p. pr. of ? to go up; ? up + ? to go.] (Chem.) An electro-negative element, or the element which, in electro-chemical decompositions, is evolved at the anode; -- opposed to cation. --Faraday.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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anion
"a negatively charged ion, which moves toward the anode (q.v.) during electrolysis," 1834, proposed by Whewell and published by Eng. physicist Michael Faraday from Gk. anion "(thing) going up," neut. pp. of anienai "go up," from ana "up" + ienai "go" (see ion).
Online Etymology Dictionary, © 2001 Douglas Harper
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Main Entry: an·ion
Pronunciation: 'an-"I-&n
Function: noun
: the ion in an electrolyzed solution that migrates to the anode; broadly : a negatively charged ion
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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anion an·i·on (ān'ī'ən)
n.
A negatively charged ion, especially one that migrates to the anode in electrolysis.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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| anion (ān'ī'ən) Pronunciation Key
An ion with net negative charge, having more electrons than protons. In electrolysis, anions migrate to a positively charged anode. Compare cation. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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