rhodamine B

noun
\ -ˈbē How to pronounce rhodamine B (audio) \

Medical Definition of rhodamine B

: a brilliant bluish red dye made by fusing an amine derivative of phenol with phthalic anhydride and used especially in coloring paper and as a biological stain

Learn More about rhodamine B

Cite this Entry

“Rhodamine B.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/rhodamine%20B. Accessed 12 Apr. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Comments on rhodamine B

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

WORD OF THE DAY

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

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!