a deep well into which pressurized fluids are injected for waste disposal, to improve the recovery of petroleum, or in solution mining.
injection well
A deep well into which water or pressurized gas is pumped in order to push petroleum resources out of underground reservoirs toward production wells so as to increase their yield.


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  • Injector

    [in-jek-ter] /ɪnˈdʒɛk tər/ noun 1. a person or thing that injects. 2. Machinery. /ɪnˈdʒɛktə/ noun 1. a person or thing that injects 2. a device for spraying fuel into the combustion chamber of an internal-combustion engine 3. Also inspirator. a device for forcing water into a steam boiler

  • Injera

    /ɪnˈdʒɪərə/ noun 1. a white Ethiopian flatbread, similar to a crepe

  • In-joke

    [in-johk] /ˈɪnˌdʒoʊk/ noun 1. a joke that can be understood or appreciated only by the members of a limited group of people. n. 1964, from in + joke.

  • Injudicious

    [in-joo-dish-uh s] /ˌɪn dʒuˈdɪʃ əs/ adjective 1. not ; showing lack of judgment; unwise; imprudent; indiscreet: an injudicious decision. /ˌɪndʒʊˈdɪʃəs/ adjective 1. not discreet; imprudent adj. 1640s, from in- (1) “not, opposite of” + judicious. Related: Injudiciously.

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