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.
© Webster 1913.