noun au·ran·tia \ȯˈranch(ē)ə\

Definition of aurantia



  1. :  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.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of aurantia

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

Seen and Heard

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


a rounded knoll or a ridge of ice

Get Word of the Day daily email!