fulvic acid

noun

ful·​vic acid

ˌfu̇lvik-,

ˌfəl-

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

Word History

Etymology

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

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!