allophanic acid


al·​lo·​phan·​ic acid
: an acid NH2CONHCOOH known only in the form of derivatives (as esters)

Word History


International Scientific Vocabulary allophan- (after German allophansäure allophanic acid, from Greek allophanēs appearing otherwise + German säure acid) + -ic

First Known Use

1847, in the meaning defined above

Time Traveler
The first known use of allophanic acid was in 1847

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!

Dictionary Entries Near allophanic acid

Cite this Entry

“Allophanic acid.” Dictionary, Merriam-Webster, Accessed 4 Dec. 2023.

Love words? Need even more definitions?

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