zwit·ter·i·on (zw t  r-  n, swt-, tsvt-)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·onic (-- nk) adj. |
zwitterion [ˈtsvɪtərˌaɪən]
n
(Chemistry) Chem an ion that carries both a positive and a negative charge
[from German Zwitter hermaphrodite + ion]
zwitterionic [ˌtsvɪtəraɪˈɒnɪk] adj
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