zwitterion

[ tsvit-er-ahy-uh n ]
/ ˈtsvɪt ərˌaɪ ən /

noun Physical Chemistry.

an ion with both a positive and a negative charge.

Origin of zwitterion

< German Zwitterion (1897), equivalent to Zwitter hybrid, hermaphrodite + Ion ion

OTHER WORDS FROM zwitterion

zwit·ter·i·on·ic [tsvit-er-ahy-on-ik] /ˌtsvɪt ər aɪˈɒn ɪk/, adjective
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British Dictionary definitions for zwitterionic

zwitterion
/ (ˈtsvɪtərˌaɪən) /

noun

chem an ion that carries both a positive and a negative charge

Derived forms of zwitterion

zwitterionic (ˌtsvɪtəraɪˈɒnɪk), adjective

Word Origin for zwitterion

C20: from German Zwitter hermaphrodite + ion
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

Medicine definitions for zwitterionic

zwitterion
[ zwĭtər-ī′ən, swĭt-, tsvĭt- ]

n.

dipolar ion

Other words from zwitterion

zwit′ter•i•onic (-ī-ŏnĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.