Definition of humus in English:
The organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms.
- 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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