Definition of alkali blue
1
: any of various alkali-soluble triphenylmethane dyes that are essentially sodium salts of monosulfonic acids of phenylated pararosaniline and are used chiefly in making pigments
2
: any of the fairly permanent pigments made from an alkali blue dye and used chiefly in printing inks
Learn More About alkali blue
Statistics for alkali blue
Look-up Popularity
Cite this Entry
“Alkali blue.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alkali%20blue. Accessed 12 Aug. 2022.
Style: MLA
MLA
Chicago
APA
Merriam-Webster
Chicago
APA
Merriam-Webster
Test Your Vocabulary
Odd Habits and Quirks
-
- Which of the following best describes an easily irritated person?
Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
-
Name That Animal: Volume 2
Can you tell a meerkat from a wombat?
Take the quiz
-
Fashionable Words
A vocab quiz with panache
Take the quiz
-
True or False?
Test your knowledge - and maybe learn something a...
Take the quiz
-
Spelling Bee Quiz
Can you outdo past winners of the National Spelli...
Take the quiz
Share alkali blue
Time Traveler for alkali blue
The first known use of alkali blue was in 1864
See more words from the same year