zwiterrion
[ zwĭt′ər-ī′ən, swĭt′-, tsvĭt′- ]
A molecule, especially an amino acid, containing a positively charged ion at one end and a negatively charged ion at the other.
Words Nearby zwiterrion
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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