allanic acid

al·​lan·​ic acid | \ əˈlanik- \

Definition of allanic acid

: a crystalline acid C4H5N5O5 formed by the action of fuming nitric acid on allantoin

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!

First Known Use of allanic acid

1871, in the meaning defined above

History and Etymology for allanic acid

International Scientific Vocabulary allantoin + -ic

Keep scrolling for more

Learn More about allanic acid

Time Traveler for allanic acid

Time Traveler

The first known use of allanic acid was in 1871

See more words from the same year

Statistics for allanic acid

Cite this Entry

“Allanic acid.” Dictionary, Merriam-Webster, Accessed 15 Jan. 2021.

Comments on allanic acid

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


Test Your Vocabulary

Words of Snow and Ice Quiz

  • image1037863653
  • Which of the following refers to thin, bending ice, or to the act of running over such ice?
True or False

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


Anagram puzzles meet word search.

Love words? Need even more definitions?

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