humic acid


Definition of humic acid

: any of various organic acids obtained from humus

Examples of humic acid in a Sentence

Recent Examples on the Web 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

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'humic acid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of humic acid

1843, in the meaning defined above

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The first known use of humic acid was in 1843

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Cite this Entry

“Humic acid.” Dictionary, Merriam-Webster, Accessed 26 Sep. 2021.

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More Definitions for humic acid

humic acid

hu·​mic acid | \ ˈhyü-mik- How to pronounce humic acid (audio) , ˈyü- How to pronounce humic acid (audio) \

Medical Definition of humic acid

: any of various organic acids obtained from humus

More from Merriam-Webster on humic acid Encyclopedia article about humic acid


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