oxonium

noun
ox·​o·​ni·​um | \ äk-ˈsō-nē-əm How to pronounce oxonium (audio) \

Medical Definition of oxonium

: an ion formed from hydronium by replacement of one or more hydrogens with other usually organic substituents also : hydronium

Learn More about oxonium

Cite this Entry

“Oxonium.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/oxonium. Accessed 9 Aug. 2020.

Comments on oxonium

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

WORD OF THE DAY

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt painting a young scholar and his tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

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!