fulvic acid

ful·​vic acid | \ ˌfu̇lvik-, ˌfəl- \

Definition of fulvic acid

: any of various water-soluble organic acids of high molecular weight derived from humus

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 fulvic acid

New Latin fulvum (from specific epithet of Penicillium griseofulvum, a species of fungus) + English -ic

Keep scrolling for more

Learn More about fulvic acid

Statistics for fulvic acid

Cite this Entry

“Fulvic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fulvic%20acid. Accessed 10 Jul. 2020.

Comments on fulvic acid

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


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

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!