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