py·raz·o·lone
| \ -ˌlōn
\
\
Medical Definition of pyrazolone
1
: any of three isomeric carbonyl compounds C3H4N2O derived from pyrazoline
2
: any of various derivatives of the pyrazolones some of which (as antipyrine) have been used as analgesics and antipyretics
Learn More About pyrazolone
Cite this Entry
“Pyrazolone.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/pyrazolone. Accessed 27 Sep. 2021.
Style: MLA
MLA
Chicago
APA
Merriam-Webster
Chicago
APA
Merriam-Webster
Test Your Vocabulary
Dog Words Quiz
-
- Which of the following animals has a dog in its etymology?
Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
Spell words. Make bears.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
-
That Sounds Right/Write/Wright
A tricky quiz about soundalike words
Take the quiz
-
Name That Thing: Animal Edition
How many animals can you identify?
Take the quiz
-
Name That Thing
Test your visual vocabulary with our 10-question ...
Take the quiz
-
SCRABBLE® Sprint
SCRABBLE® fans, sharpen your skills!
Play the game
Share pyrazolone