reservoir
Americannoun
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a natural or artificial place where water is collected and stored for use, especially water for supplying a community, irrigating land, furnishing power, etc.
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a receptacle or chamber for holding a liquid or fluid.
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Geology. pool16
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Biology. a cavity or part that holds some fluid or secretion.
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a place where anything is collected or accumulated in great amount.
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a large or extra supply or stock; reserve.
a reservoir of knowledge.
noun
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a natural or artificial lake or large tank used for collecting and storing water, esp for community water supplies or irrigation
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a receptacle for storing gas, esp one attached to a stove
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biology a vacuole or cavity in an organism, containing a secretion or some other fluid
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anatomy another name for cisterna
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a place where a great stock of anything is accumulated
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a large supply of something; reserve
a reservoir of talent
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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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An organism that is the host for a parasitic pathogen or that directly or indirectly transmits a pathogen to which it is immune.
Etymology
Origin of reservoir
1680–90; < French réservoir, equivalent to réserv ( er ) to reserve + -oir -ory 2
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
It added that water from other reservoirs and treatment works was not affected, so people living in postcode areas other than those listed below could use their supplies as normal.
From BBC
Groundwater levels and reservoir stocks across much of the UK have risen significantly over recent weeks.
From BBC
In July 2024, magma started accumulating in a shallow reservoir beneath Santorini, causing the island to lift slightly by a few centimeters.
From Science Daily
A reservoir storing oil products also caught fire.
From BBC
That leaves the Southwest in a quagmire with uncertain repercussions while the river’s depleted reservoirs continue to decline.
From Los Angeles Times
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
