: any of various organic acids obtained from humus
Example Sentences
Recent Examples on the WebConsumers have the option of dozens of products — in drops, tablets, powders and pastes — that claim to provide the healing power of fulvic and humic acid.NBC News, 2 Dec. 2021 As humic acid is made more bio-available, weed seeds are much less likely to germinate. Howard Garrett, Dallas News, 28 Dec. 2020 All of it has darkened somewhat because of the development of humic acids. Rodrigo Pérez Ortega, Science | AAAS, 18 Feb. 2020
Word History
First Known Use
1843, in the meaning defined above
Medical Definition
humic acid
noun
hu·mic acid ˈhyü-mik- ˈyü-
: any of various organic acids obtained from humus