mazout
fuel oil, heating oil
noun mah-ZOO Rare
Origin: From Russian 'mazut'.
Usage Note
Mazout is the standard French term for heavy fuel oil used in domestic heating systems — equivalent to British 'heating oil' or American 'fuel oil'. It is distinct from gazole/diesel used in vehicles. A citerne à mazout is the storage tank, and un brûleur à mazout is the oil burner. The word is widely used in Belgium and Switzerland as well as France.
Examples
"La chaudière à mazout consomme beaucoup d'énergie."
Natural Translation
The oil-fired boiler consumes a lot of energy.
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