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Zululand
Zuni
Zurich
Zurich, Lake
zw
Zwickau
zwieback
Zwinglian
zwitterion
Zwolle
zydeco
zyg-
zygo-
zygodactyl
zygogenesis
zygoma
zygomatic arch
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zwitterion
zwit·ter·i·on [ zwíttə r ən, swíttə r ən ] (plural zwit·ter·i·ons)


noun 
Definition:
 
ion with two poles: an ion that has both a negative and a positive pole
[Early 20th century. < German, "hybrid ion"]
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