zwitterionic

zwitterion

[tsvit-er-ahy-uhn]
noun Physical Chemistry.
an ion with both a positive and a negative charge.

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

zwitterionic [tsvit-er-ahy-on-ik] , adjective
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zwitterion (ˈtsvɪtərˌaɪən)
 
n
chem an ion that carries both a positive and a negative charge
 
[C20: from German Zwitter hermaphrodite + ion]
 
zwitterionic
 
adj

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American Heritage
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
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