Definition of fulvic acid
: any of various water-soluble organic acids of high molecular weight derived from humus
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of fulvic acid
New Latin fulvum (from specific epithet of Penicillium griseofulvum, a species of fungus) + English -ic
Seen and Heard
What made you want to look up fulvic acid? Please tell us where you read or heard it (including the quote, if possible).