trimellitic acid

tri·​mellitic acid | \ ¦trī+...-\

Definition of trimellitic acid

: a crystalline tricarboxylic acid C6H3(COOH)3 obtained indirectly from mellitic acid, by oxidation of coal, and in other ways; 1,2,4-benzene-tricarboxylic acid

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 trimellitic acid

International Scientific Vocabulary tri- + mellitic

Keep scrolling for more

Comments on trimellitic acid

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


a bell tower

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
True or False

Test your knowledge - and maybe learn something along the way.

Word Winder's CrossWinder

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!