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amphoteric - 6 dictionary results

am⋅pho⋅ter⋅ic

  [am-fuh-ter-ik]
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–adjective Chemistry.
capable of functioning either as an acid or as a base.
Origin:
1840–50; < Gk amphóter(os) (comp. of ámphō both; c. L ambō) + -ic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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am·pho·ter·ic   (ām'fə-těr'ĭk)   
adj.  Having the characteristics of an acid and a base and capable of reacting chemically either as an acid or a base.

[From Greek amphoteros, each of two, from amphō, both.]
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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Amphoteric

Am`pho*ter"ic\, a. [Gr. ? both.] Partly one and partly the other; neither acid nor alkaline; neutral. [R.] --Smart.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Main Entry: am·pho·ter·ic
Pronunciation: "am(p)-f&-'ter-ik
Function: adjective
: partly one and partly the other;specifically : capable of reacting chemically either as an acid or as a base —am·pho·ter·ism /-'ter-"iz-&m/ noun
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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amphoteric am·pho·ter·ic (ām'fə-těr'ĭk)
adj.
Having the capacity to react as either an acid or a base.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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amphoteric   (ām'fə-těr'ĭk)  Pronunciation Key 
Capable of reacting chemically as either an acid or a base. Water, ammonia, and the hydroxides of certain metals are amphoteric.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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