| 释义 |
res·er·voir
I. \R ˈrezəvˌwär (-zəv- by r-dissimilation), -zəˌvȯ(ə)r also -zərvˌw- or -zərˌv- or -vˌwȯ(ə)r or ÷ -ˌvȯi sometimes -ˌvär or by r-dissimilation -vˌwä or -ˌvȯ or -ˌvä; -R -zəvˌwȧ(r, -ˌvȯ(ə) also -vˌwȯ(ə) or ÷ -ˌvȯi sometimes -ˌvȧ(r\ noun
(-s)
Etymology: French réservoir, from Middle French, from reserver to reserve + -oir -ory
1. : a place where something is kept in store: as
a. : a place where water is collected and kept in quantity for use when wanted; especially : an artificial lake in which water is impounded for domestic and industrial use, irrigation, hydroelectric power, flood control, or other purposes
b. : a part of an apparatus in which a liquid is held
< the reservoir of an oil lamp >
c. : a tank on the back of an old-fashioned kitchen range in which water is kept hot by escaped heat from the oven
2.
a. : a space (as an enlargement of a vessel or the cavity of a glandular acinus) in which a body fluid or other product is stored
< oil reservoirs on a leaf >
b. : the enlarged posterior portion of the gullet of some flagellates
3. : an extra supply : reserve, store
4.
a. : a body of rock sufficiently porous to permit the accumulation of water, petroleum, or natural gas
b. : the gathering ground where snow collects to form a glacier : the area covered by the névé
c. : a space within the earth occupied by molten rock or magma
5. : storage bellows
6.
a. also reservoir host : an organism in which a parasite that is pathogenic for some other species lives and multiplies without damaging its host; broadly : a noneconomic organism within which a pathogen of economic or medical importance flourishes without regard to its pathogenicity for the reservoir
< rats are reservoirs of plague >
< reservoir hosts are important in the epidemiology of virus diseases >
b. : a colony or group of organisms (as noxious animals) that persists when the general population of the species declines and serves as a breeding nucleus
< small reservoir populations missed by control operations >
II. transitive verb
(-ed/-ing/-s)
1. : to provide with a reservoir
2. : to collect, store, or keep in or as if in a reservoir |