alum carmine


Definition of alum carmine

: a red fluid composed of alum, carmine, ammonia, and water used for staining biological specimens

First Known Use of alum carmine

1879, in the meaning defined above

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Learn More About alum carmine

Time Traveler for alum carmine

Time Traveler

The first known use of alum carmine was in 1879

See more words from the same year

Dictionary Entries Near alum carmine

alum cake

alum carmine

alum cochineal

See More Nearby Entries 

Statistics for alum carmine

Cite this Entry

“Alum carmine.” Dictionary, Merriam-Webster, Accessed 5 Oct. 2022.

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


Test Your Vocabulary

Challenging Words You Should Know

  • hedgehog reading a book
  • Often used to describe “the march of time,” what does inexorable mean?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!