humic acid

noun

Definition of humic acid 

: any of various organic acids obtained from humus

First Known Use of humic acid

1843, in the meaning defined above

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humetty

humhum

humic

humic acid

humid

humidifier

humidify

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The first known use of humic acid was in 1843

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humic acid

noun
hu·mic acid | \ˈhyü-mik-, ˈyü- \

Medical Definition of humic acid 

: any of various organic acids obtained from humus

More from Merriam-Webster on humic acid

Britannica.com: Encyclopedia article about humic acid

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