Gain access to thousands of additional definitions and advanced search features—ad free! JOIN NOW
: any of various amides (such as sulfanilamide) of a sulfonic acid
: sulfa drug
Recent Examples on the Web
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sulfonamide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
1881, in the meaning defined above
sulfonic + amide
Keep scrolling for more
Resources for sulfonamide
Time Traveler for sulfonamide
See more words from the same year
More Definitions for sulfonamide
: any of various amides (as sulfanilamide) of a sulfonic acid
: sulfa drug
More from Merriam-Webster on sulfonamide
Britannica.com: Encyclopedia article about sulfonamide
Comments on sulfonamide
What made you want to look up sulfonamide? Please tell us where you read or heard it (including the quote, if possible).
by word of mouth
Get Word of the Day daily email!
Name that Food Quiz
Test your knowledge - and maybe learn something along the way.
Test Your Knowledge - and learn some interesting things along the way.
Red Cross Warns of Shelter Conditions
RIP Burt Reynolds
NYT Publishes Anonymous Piece
Kavanaugh Mentions Word in Hearing
Manafort Guilty on 8 Counts
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
Words from the week of 9/14/2018
For frog-tossing, sword dancing, & more
That dessert might kill you
How a folk song became a term of derision.
And is one way more correct than the others?
The story of an imaginary word that managed to sneak past our editors and enter the dictionary.
How to use a word that (literally) drives some people nuts.
The awkward case of 'his or her'
Test your knowledge of food and food words.
A quiz in common time.
A game of winding words.