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zwitterion

 - 4 dictionary results

zwit⋅ter⋅i⋅on

  [tsvit-er-ahy-uhn]
Use zwitterion in a Sentence
–noun Physical Chemistry.
an ion with both a positive and a negative charge.
Origin:
< G Zwitterion (1897), equiv. to Zwitter hybrid, hermaphrodite + Ion ion

Related forms:
zwit⋅ter⋅i⋅on⋅ic  [tsvit-er-ahy-on-ik] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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zwit·ter·i·on   (zwĭt'ər-ī'ən, swĭt'-, tsvĭt'-)   
n.  A molecule carrying both a positive and a negative charge.

[German : Zwitter, hybrid (from Middle High German zwitarn, from Old High German, from zwi-, twice; see dwo- in Indo-European roots) + Ion, ion (from Greek; see ion).]
zwit'ter·i·on'ic (-ī-ŏn'ĭk) adj.
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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Medical Dictionary

Main Entry: zwit·ter·ion
Pronunciation: 'tsvit-&r-"I-"än also 'zwit-
Function: noun
: a dipolar ion —zwit·ter·ion·ic /"tsvit-&r-I-'än-ik/ adjective
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

zwitterion zwit·ter·i·on (zwĭt'ər-ī'ən, swĭt'-, tsvĭt'-)
n.
See dipolar ion.

zwit'ter·i·on'ic (-ī-ŏn'ĭk) adj.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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