purpurin

noun
pur·​pu·​rin | \ ˈpər-pyə-rən How to pronounce purpurin (audio) \

Medical Definition of purpurin

1 : an orange or red crystalline compound C14H8O5 obtained from madder root along with alizarin or by oxidation of alizarin and used in dyeing
2 also purpurine \ -​rən, -​ˌrēn How to pronounce purpurin (audio) \ : any of various colored compounds obtained from chlorophyll or related compounds by the action of cold alcoholic alkali and oxygen

Learn More about purpurin

Cite this Entry

“Purpurin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/purpurin. Accessed 26 Jan. 2021.

Comments on purpurin

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

WORD OF THE DAY

Test Your Vocabulary

Slippery Words Quiz—Changing with the Times

  • ducreux self portrait yawning
  • What is an earlier meaning of nice?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
 AlphaBear 2

Spell words. Make bears.

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!