-
- To save this word, you'll need to log in.
geology
: a brown or black complex variable material resulting from partial decomposition of plant or animal matter and forming the organic (see organic entry 1 sense 1a(2)) portion of soil
Examples of humus in a Sentence
Recent Examples on the Web
Including the sand provides better drainage, and the humus in the compost holds nutrients and provides moisture control.
—
Andy Wilcox, Better Homes & Gardens, 17 July 2024
Made with a blend of sphagnum peat moss, humus, and perlite, this potting mix helps ensure good drainage to keep roots healthy.
—
Renee Freemon Mulvihill, Better Homes & Gardens, 2 May 2024
When separating clumps, add humus to the new planting area, spread roots out, and water well for smooth transplanting.
—
Kristin Guy, Sunset Magazine, 6 Feb. 2024
In addition to sphagnum peat moss, however, the lightweight potting mix contains humus and perlite, which help provide the necessary aeration and drainage for cacti and succulents.
—
Renee Freemon Mulvihill, Better Homes & Gardens, 4 Jan. 2024
See all Example Sentences for humus ![](/dist-cross-dungarees/2025-02-11--16-25-46-ew5nrj/images/svg/redesign/arrow-right-exemplar.svg)
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Word History
Dictionary Entries Near humus
Cite this Entry
“Humus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/humus. Accessed 12 Feb. 2025.
Kids Definition
humus
noun
hu·mus
ˈhyü-məs
ˈyü-
: a brown or black product of partial decay of plant or animal matter that forms the organic portion of soil
More from Merriam-Webster on humus
Thesaurus: All synonyms and antonyms for humus
Nglish: Translation of humus for Spanish Speakers
Britannica.com: Encyclopedia article about humus
Love words? Need even more definitions?
Merriam-Webster unabridged
Share