Medical Dictionary


noun zwit·ter·ion \ˈtsvit-ər-ˌī-ˌän also ˈzwit-\

Medical Definition of ZWITTERION

:  a dipolar ion
zwit·ter·ion·ic \ˌtsvit-ər-ī-ˈän-ik\ adjective
April 24, 2015
tyro Hear it
a beginner in learning
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears