Zwitterion Definition

zwĭtər-īən, swĭt-, tsvĭt-
noun
An ion carrying both a positive and a negative charge in different parts of the molecule, as in certain amino acids and protein molecules.
Webster's New World

Other Word Forms of Zwitterion

Noun

Singular:
zwitterion
Plural:
zwitterions

Origin of Zwitterion

  • German Zwitter hybrid (from Middle High German zwitarn) (from Old High German) (from zwi- twice dwo- in Indo-European roots) Ion ion (from Greek ion)

    From American Heritage Dictionary of the English Language, 5th Edition

  • From German Zwitter (hermaphrodite) + ion.

    From Wiktionary

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zwitterion