Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Previous word: Zwinglian
Next word: Zwolle
Definition of: zwitterion
(tsvit'ər·ī'ən) noun Physics
An ion which carries both a negative and a positive charge, as in certain amino acids. [<G zwitter hybrid, hermaphrodite, mongrel + ION]
—zwit'ter·i·on'ic (-ī·on'ik) adjective
Comment about this word, ask questions, or add new information about this topic: