substitute

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substitute

noun agent, alternate, alternative, delegate, deputy, double, emissary, envoy, factor, lieutenant, pinch hitter, plenipotentiary, proxy, regent, replacement, representation, representative, stand-in, steward, stopgap, substitution, supplanter, surrogate, temporary expedient, trustee, understudy
See also: agent, alienate, alternate, alternative, change, commute, conduit, convert, cover, delegate, deputy, devolve, disjunctive, displace, exchange, false, imitation, intermediary, liaison, plenipotentiary, procurator, provisional, proxy, quid pro quo, replace, replacement, representative, secondary, stopgap, succedaneum, supersede, supplant, surrogate, transform

SUBSTITUTE, contracts. One placed under another to transact business for him; in letters of attorney, power is generally given to the attorney to nominate and appoint a substitute.
     2. Without such power, the authority given to one person cannot in general be delegated to another, because it is a personal trust and confidence, and is not therefore transmissible. The authority is given to him to exercise his judgment and discretion, and it cannot be said that the trust and confidence reposed in him shall be exercised at the discretion of another. 2 Atk. 88; 2 Ves. 645. But an authority may be delegated to another, when the attorney has express power to do so. Bunb. 166; T. Jones, 110. See Story, Ag. Sec. 13, 14. When a man is drawn in the militia, he may in some cases hire a substitute.

References in periodicals archive ?
In 1965, Clark was experimenting with silicone oil as an oxygen carrier, in the hope that it might lead to the development of a red blood cell substitute.
Northfield Laboratories is developing a hemoglobin-based oxygen-carrying red blood cell substitute, PolyHeme.
is a leader in developing an oxygen-carrying red blood cell substitute for the treatment of life-threatening blood loss, when an oxygen-carrying fluid is required and red blood cells are not available.
Alliance, through its wholly owned subsidiary, PFC Therapeutics, is developing a synthetic therapeutic oxygen carrier, Oxygent, as a temporary red blood cell substitute, based on its proprietary perfluorochemical and surfactant technologies.