Definition of humus in English:


Syllabification: hu·mus
Pronunciation: /ˈ(h)yo͞oməs


The organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms.
More example sentences
  • Incidentally, soil rich in organic humus will hold more water longer and be more drought-resistant.
  • An all-purpose potting mix has composted bark, peat moss or peat humus added to loamy soil.
  • Mature compost is a complex organic material that has been transformed into stable humus by microorganisms.


late 18th century: from Latin, literally 'soil'.

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