reservoir
noun/ˈrezəvwɑː(r)/
/ˈrezərvwɑːr/
- a natural or artificial lake where water is stored before it is taken by pipes to houses, etc.
- The water content of the country's reservoirs had fallen to less than 50% of their capacity.
- They got up early and went for a swim in the reservoir.
Oxford Collocations Dictionaryadjective- natural
- artificial
- man-made
- …
- in a/the reservoir
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- (formal) a large amount of something that is available to be used
- We can tap into the vast reservoir of information available on the internet
Oxford Collocations Dictionaryadjective- deep
- huge
- vast
- …
- tap
- tap into
- reservoir of
- (specialist) a place in an engine or a machine where a liquid is kept before it is used
- an oil reservoir
Word Originmid 17th cent.: from French réservoir, from réserver ‘to reserve, keep’.
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reservoir