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

Learn More About trimellitic acid

Dictionary Entries Near trimellitic acid


trimellitic acid


See More Nearby Entries 

Statistics for trimellitic acid

Cite this Entry

“Trimellitic acid.” Dictionary, Merriam-Webster, Accessed 20 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon


Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
True or False

Test your knowledge - and maybe learn something 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!