Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

aurantia

noun
au·​ran·​tia | \ ȯˈranch(ē)ə\
plural -s

Definition of aurantia

: a poisonous red-brown crystalline alcohol-soluble dye C12H8N8O12 used in biological staining, in desensitizing photographic plates, and in colored photographic filters —the ammonium salt of hexanitrodiphenylamine

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 aurantia

New Latin, from Latin aurant-, aurans (present participle of aurare to gild, from aurum gold) + New Latin -ia

Keep scrolling for more

Learn More about aurantia

Statistics for aurantia

Look-up Popularity

Comments on aurantia

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

Show Comments  Hide Comments 

WORD OF THE DAY

contraption

Listen to the pronounciation of contraption

a device or gadget

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

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!

Words at Play
Ask the Editors
Word Games