vbl. sb. [f. as prec. + -ING1.] The action or process: a. of turning to account for industrial purposes; b. of using with reserve and to the best effect.
1879. Cassell’s Techn. Educ., IV. 214/2. The appliances for the economising of water.
1881. Athenæum, 17 Sept., 364/2. Work, which a slight economizing of his boundless materials might … expedite.
