Reservoir meaning

rĕzər-vwär, -vwôr, -vôr
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A place where anything is collected and stored, generally in large quantity; esp., a natural or artificial lake or pond in which water is collected and stored for use.
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A natural or artificial pond or lake used for the storage and regulation of water.
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A large supply; esp., an extra or reserve supply.
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A receptacle or chamber for storing a fluid.
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A large or extra supply; a reserve.

A reservoir of goodwill.

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An organism or population that directly or indirectly transmits a pathogen while being virtually immune to its effects.
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An organism that is the host for a parasitic pathogen or that directly or indirectly transmits a pathogen to which it is immune.
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A place where anything is kept in store; especially, a place where water is collected and kept for use when wanted, as to supply a fountain, a canal, or a city by means of aqueducts.
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A small intercellular space, often containing resin, essential oil, or some other secreted matter.
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A receptacle or chamber for storing a fluid.
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A natural or artificial pond or lake used for the storage of water.
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An underground mass of rock or sediment that is porous and permeable enough to allow oil or natural gas to accumulate in it.
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A supply or source of something.
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The definition of a reservoir is place where a supply of something is collected, especially water.

An example of a reservoir is an area where large amounts of water are stored.

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A natural or artificial pond or lake used for the storage and regulation of water.
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An underground accumulation of petroleum or natural gas.
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An organism or population that directly or indirectly transmits a pathogen while being virtually immune to its effects.
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A receptacle or part (in an apparatus) for holding a fluid, as oil or ink.
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Origin of reservoir

  • French réservoir from réserver to reserve from Old French reserver reserve

    From American Heritage Dictionary of the English Language, 5th Edition

  • From French réservoir, from réserver (“to reserve, keep").

    From Wiktionary