单词	humic acid
释义	humic acid noun : any of various organic acids obtained from humus Example Sentences Recent Examples on the Web Consumers 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
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