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TOEFL IELTS BNC: 5419 COCA: 5907

reservoir

noun

res·​er·​voir ˈre-zə-ˌvwär How to pronounce reservoir (audio) -zər- How to pronounce reservoir (audio) -ˌvwȯr How to pronounce reservoir (audio)
 also  -ˌvȯi
1
: a place where something is kept in store: such as
a
: an artificial lake where water is collected and kept in quantity for use
b
: a part of an apparatus in which a liquid is held
c
: supply, store
a large reservoir of educated people
2
: an extra supply : reserve
3
a
: a host organism in which an infectious agent (such as a bacterium or virus) that is pathogenic for some other species lives and multiplies typically without damaging the host

Note: A reservoir serves as a source from which transmission of infection and outbreaks of disease can occur.

It is the white-footed mouse that serves as a natural reservoir host for the spirochete B. [Borrelia] burgdorferi. These mice carry the spirochete without any apparent harm to themselves, and it is through feeding on infected mice that the immature stages of the tick acquire the spirochete. Suzanne Clothier et al.
also : a nonliving thing (such as soil or water) in which an infectious agent lives and multiplies and which serves as a source of infection similar to a host organism
b
: a part of the body that harbors an infectious agent and serves as a source of reinfection or infection transmission
… vulvar or rectal reservoirs, which might increase risk for BV [bacterial vaginosis] recurrence. Lisa E. Manhart et al.
compare carrier sense 5a, vector entry 1 sense 2a

Example Sentences

The pen has a large ink reservoir. Colleges and universities provide reservoirs of talent for job recruiters. She found the reservoirs of energy she needed to finish the job.
Recent Examples on the Web One day after Merda was rescued, Florida Fish and Wildlife told the outlet that a contractor had removed two alligators from the artificial reservoir — a six-foot and a nine-foot alligator. Anna Lazarus Caplan, Peoplemag, 13 Sep. 2022 The reservoir, the country's largest by volume, sank to record-low elevation levels this summer. Emily Mae Czachor, CBS News, 30 Aug. 2022 The levels in the nation’s largest freshwater reservoir, Lake Mead, behind the Hoover Dam and a fulcrum of the Colorado River basin, have dropped to around 25% of capacity. Abrahm Lustgarten, ProPublica, 28 Aug. 2022 By mid-August, documents show, water reservoir levels in western Sichuan were less than 4% above the minimum usable level. Brian Spegele, WSJ, 26 Aug. 2022 Alpen glaciers are a crucial reservoir, storing freshwater for drinking and agriculture in Europe, writes CNN’s Rachel Ramirez. Margaret Osborne, Smithsonian Magazine, 25 Aug. 2022 The province gets some 40% of its electricity needs from hydropower, and with reservoir levels falling, the region is instituting power cuts as Sichuan did in order to conserve energy. Will Daniel, Fortune, 23 Aug. 2022 There are more than 6,000 homes around the 1,900-acre reservoir, which spans Hamilton, Marion and Hancock counties and provides drinking water for the Indianapolis area. John Tuohy, The Indianapolis Star, 23 Aug. 2022 Federal data shows the 270 square-mile reservoir — which straddles the Nevada-Arizona border and provides water to 40 million people — at 27% capacity. Tim Stelloh, NBC News, 20 Aug. 2022 See More

Word History

Etymology

French réservoir, from Middle French, from reserver

First Known Use

1690, in the meaning defined at sense 1

Time Traveler
The first known use of reservoir was in 1690

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