alizarine red

noun, often capitalized A&R

Definition of alizarine red

: any of various red mordant or acid dyes most of which are derived from anthraquinone: such as
a : turkey red
b : an orange-yellow crystalline compound C14H7NaO7S used chiefly for dyeing and printing aluminum-mordanted wool scarlet red, as a biological stain, and as an analytical reagent (as for detecting aluminum); sodium 3-alizarin-sulfonate

called also Alizarine Carmine, Alizarine Red S, Alizarine S

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!

First Known Use of alizarine red

1874, in the meaning defined above

Keep scrolling for more

Learn More about alizarine red

Time Traveler for alizarine red

Time Traveler

The first known use of alizarine red was in 1874

See more words from the same year

Statistics for alizarine red

Cite this Entry

“Alizarine red.” Dictionary, Merriam-Webster, Accessed 18 Feb. 2020.

Comments on alizarine red

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


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

More Confusing Words—Quiz

  • cats on impossible timber
  • The magician ______ moved the selected card to the top of the deck.
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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