[ zwĭt′ər-ī′ən, swĭt′-, tsvĭt′- ]
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A molecule, especially an amino acid, containing a positively charged ion at one end and a negatively charged ion at the other.
QUIZ YOURSELF ON "EVOKE" VS. "INVOKE"!
Call upon your favorite grammar inspirations to tackle this quiz on the differences and uses of "evoke" and "invoke."
Question 1 of 7
“Evoke” and “invoke” both derive from the same Latin root “vocāre.”
Words nearby zwiterrion
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.