sulfonium

noun
sul·​fo·​ni·​um | \ ˌsəl-ˈfō-nē-əm How to pronounce sulfonium (audio) \

Definition of sulfonium

: a monovalent group or cation SH3 or derivative SR3

First Known Use of sulfonium

1885, in the meaning defined above

History and Etymology for sulfonium

New Latin, from sulf- + -onium

Keep scrolling for more

Learn More about sulfonium

Time Traveler for sulfonium

Time Traveler

The first known use of sulfonium was in 1885

See more words from the same year

Statistics for sulfonium

Cite this Entry

“Sulfonium.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/sulfonium. Accessed 9 December 2019.

Keep scrolling for more

More Definitions for sulfonium

sulfonium

noun
sul·​fo·​ni·​um
variants: or chiefly British sulphonium \ ˌsəl-​ˈfō-​nē-​əm How to pronounce sulphonium (audio) \

Medical Definition of sulfonium

: a monovalent group or cation SH3 or derivative SR3

Comments on sulfonium

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

WORD OF THE DAY

contradictory or incongruous words

Get Word of the Day daily email!

Test Your Vocabulary

Semantic Drift Quiz

  • a twisty river
  • Which of the following was once a synonym for fun?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

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

TAKE THE QUIZ
Love words? Need even more definitions?

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