in·stru·men·tal·i·ty /ˌɪn(t)strəmənˈtæləti, ˌmɛn-/
幫助,媒介,手段
In·stru·men·tal·i·ty n.; pl. Instrumentalities The quality or condition of being instrumental; that which is instrumental; anything used as a means; medium; agency.
The instrumentality of faith in justification. --Bp. Burnet.
The discovery of gunpowder developed the science of attack and defense in a new instrumentality. --J. H. Newman.
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instrumentality
n 1: a subsidiary organ of government created for a special
purpose; "are the judicial instrumentalities of local
governments adequate?"; "he studied the French
instrumentalities for law enforcement"
2: the quality of being instrumental for some purpose
3: an artifact (or system of artifacts) that is instrumental in
accomplishing some end [syn: instrumentation]