Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

zwitterion

play
noun zwit·ter·ion \ˈtsvi-tər-ˌī-ˌän also ˈzwi-\

Definition of zwitterion

  1. :  a dipolar ion

zwitterionic

play \ˌzwi-tər-ī-ˈä-nik, ˌswi-\ adjective


Origin and Etymology of zwitterion

German, from Zwitter hybrid (from Old High German zwitaran, from zwi-) + Ion ion — more at twi-


First Known Use: 1906

Rhymes with zwitterion


Medical Dictionary

zwitterion

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

Medical Definition of zwitterion

  1. :  a dipolar ion

zwitterionic

\ˌtsvit-ər-ī-ˈän-ik\play adjective



Learn More about zwitterion


Seen and Heard

What made you want to look up zwitterion? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

in the capacity or character of

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

fox-in-summer-forest

Which of these is a synonym of inchoate?

formless experimental frightening massive
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ