zwitterion

(redirected from Double ion)
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zwit·ter·i·on

 (zwĭt′ər-ī′ən, swĭt′-, tsvĭt′-)
n.
A molecule, especially an amino acid, containing a positively charged ion at one end and a negatively charged ion at the other.

[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.

zwitterion

(ˈtsvɪtərˌaɪən)
n
(Chemistry) chem an ion that carries both a positive and a negative charge
[C20: from German Zwitter hermaphrodite + ion]
zwitterionic adj

zwit•ter•i•on

(ˈzwɪt ərˌaɪ ən, ˈswɪt-, ˈtsvɪt-)

n.
an ion with both a positive and a negative charge.
[< German Zwitterion (1897) =Zwitter hybrid, hermaphrodite + Ion ion]
Translations
zwitterion
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