coerulein

noun, often capitalized
coe·​ru·​le·​in
variants: or less commonly cerulein \ sə̇ˈrülēə̇n \
plural -s

Definition of coerulein

: a xanthene dye C20H10O6 that is obtained by heating gallein with concentrated sulfuric acid and that dyes mordanted cotton, silk, and wool green

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!

History and Etymology for coerulein

International Scientific Vocabulary coerul-, cerul- (from Latin coeruleus, caeruleus cerulean) + -in

Keep scrolling for more

Comments on coerulein

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

WORD OF THE DAY

marked by turns or indirection

Get Word of the Day daily email!

Test Your Vocabulary

Summer 2019 Words of the Day Quiz

  • a-bowl-of-peach-sorbet-with-cut-peaches-next-to-it
  • Which is a synonym of desideratum?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

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

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!