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 All of it has darkened somewhat because of the development of humic acids. Rodrigo Pérez Ortega, Science | AAAS, "Body composting promises a sustainable way of death," 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

Keep scrolling for more

Learn More about humic acid

Time Traveler for humic acid

Time Traveler

The first known use of humic acid was in 1843

See more words from the same year

Statistics for humic acid

Cite this Entry

“Humic acid.” Dictionary, Merriam-Webster, Accessed 22 Sep. 2020.

Keep scrolling for more

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

Comments on humic acid

What made you want to look up humic acid? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Homophone Quiz

  • three bears two of them look like theyre whispering to a third bear who looks chuffed to be the center of attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!