zwitterion

noun

zwit·​ter·​ion ˈtsvi-tər-ˌī-ˌän How to pronounce zwitterion (audio)
also
ˈzwi- How to pronounce zwitterion (audio)
: a dipolar ion
zwitterionic adjective

Word History

Etymology

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

First Known Use

1906, in the meaning defined above

Time Traveler
The first known use of zwitterion was in 1906

Dictionary Entries Near zwitterion

Cite this Entry

“Zwitterion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/zwitterion. Accessed 19 Apr. 2024.

Medical Definition

zwitterion

noun
zwit·​ter·​ion
ˈtsvit-ər-ˌī-ˌän also ˈzwit-
: a dipolar ion
zwitterionic adjective

More from Merriam-Webster on zwitterion

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!