peat
US /piːt/
UK /piːt/

1.
tourbe
a brown, soil-like material characteristic of boggy, acid ground, consisting of partially decomposed vegetable matter. It is cut and dried for use as fuel and in gardening.
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The gardener added peat moss to improve the soil drainage.
Le jardinier a ajouté de la tourbe pour améliorer le drainage du sol.
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In some regions, peat is still used as a traditional fuel source.
Dans certaines régions, la tourbe est encore utilisée comme source de combustible traditionnelle.