What's the difference between proxy and substitute?

Proxy


Definition:

  • (n.) The agency for another who acts through the agent; authority to act for another, esp. to vote in a legislative or corporate capacity.
  • (n.) The person who is substituted or deputed to act or vote for another.
  • (n.) A writing by which one person authorizes another to vote in his stead, as in a corporation meeting.
  • (n.) The written appointment of a proctor in suits in the ecclesiastical courts.
  • (n.) See Procuration.
  • (v. i.) To act or vote by proxy; to do anything by the agency of another.

Example Sentences:

  • (1) The concordance, sensitivity, and specificity of proxy reports about partners' occupation, smoking, and drinking were examined in relation to self-reports.
  • (2) Then they look at a poll and assume that a poll is a proxy for what is really going on.” Facebook Twitter Pinterest David Cameron and Crosby during the London mayoral campaign in 2012.
  • (3) The overall impact may be estimated by relating the degree of urbanization of populations to some proxy measure, like the under-5 mortality rates.
  • (4) In two-stage epidemiological study the screening wave and the diagnostic instrument should be considered together in relation to a third proxy gold standard such as progression of the disorder to moderate and greater severity and neuropathological diagnosis.
  • (5) After the diagnosis of Munchausen syndrome by proxy was made, the child was removed from the mother and he has since enjoyed good health.
  • (6) Mullen said earlier this week there is a "proxy connection" between Pakistani intelligence services and the Haqqanis, meaning the militants are secretly doing the Pakistanis' bidding.
  • (7) The results of the study suggest that in urban Bangladesh 24-hour recall and knowledge-attitude-practice questionnaires should not be used as proxies for direct observation of hygiene practices.
  • (8) This plays into the widespread belief that Muslims are under attack from a belligerent west and its local proxies.
  • (9) But the last thing we need is to start a proxy war between the generations.
  • (10) Saudis and their Sunni Arab allies view Houthi fighters – who belong to the Zaydi sect of Shia Islam – as Iranian proxies and have accused Tehran of militarily backing them, a charge Iran vehemently denies.
  • (11) Readiness to negotiate with Cameron shrinks if it starts to feel like a negotiation with the backbench of the Conservative party using Cameron as a proxy.
  • (12) Less confidence can be placed in proxy-based reconstructions of surface temperatures for AD 900 to 1600, although the available proxy evidence does indicate that many locations were warmer during the past 25 years than during any other 25-year period since 900."
  • (13) But beyond this, Ramsey has a fundamentally different conception of the child from McCormick, and therefore gives a very different interpretation to this standard for valid proxy consent.
  • (14) Find out the accepted forms of photo ID To apply to vote by post or proxy, visit the Electoral Office for Northern Ireland website to download the correct form.
  • (15) Length of service was a good proxy predictor for most respiratory abnormalities, while respirable dust was a good proxy for respirable free silica.
  • (16) Pentagon assurances about the parlous state of its Syrian proxies are in doubt: within a week, it initially denied and then conceded that one group provided US equipment to al-Qaida in Syria and that it has paused the process of adding new recruits.
  • (17) He also hinted that western intelligence agencies had helped in the emergence of Isis, using the militants as a proxy to fight against the Syrian regime and thereby “putting the blades in their hands”.
  • (18) I think on issues like climate change and evolution it ends up being a proxy for identity politics,” said Michael Halpern, a program manager for the nonprofit and nonpartisan Union of Concerned Scientists (UCS).
  • (19) The delivery also comes amid an increasingly hot – if still largely proxy conflict – between Iran and Saudi Arabia, most recently in Yemen where the US has backed Saudi Arabia.
  • (20) Hagel reportedly urged the White House to clarify its intentions with regard to Assad, which analysts warn is a self-imposed obstacle to building its Syrian proxy force.

Substitute


Definition:

  • (n.) One who, or that which, is substituted or put in the place of another; one who acts for another; that which stands in lieu of something else
  • (n.) a person who enlists for military service in the place of a conscript or drafted man.
  • (n.) To put in the place of another person or thing; to exchange.

Example Sentences:

  • (1) The process of sequence rearrangement appears to be a significant part of the evolution of the genome and may have a much greater effect on the evolution of the phenotype than sequence alteration by base substitution.
  • (2) In the clinical trials in which there was complete substitution of fat-modified ruminant foods for conventional ruminant products the fall in serum cholesterol was approximately 10%.
  • (3) To clarify the functional roles of His40, Glu58, and His92, we analyzed the consequences of several amino acid substitutions (His40Ala, His40Lys, His40Asp, Glu58Ala, Glu58Gln, and His92Gln) on the kinetics of GpC transesterification.
  • (4) It is concluded the decrease in cellular volume associated with substitution of serosal gluconate for Cl results in a loss of highly specific Ba2+-sensitive K+ conductance channels from the basolateral plasma membrane.
  • (5) The resonance Raman spectra of oxy and deoxy cobalt-substituted hemoglobin (CoHb) are reported.
  • (6) The most important conclusion of both conferences was that oestrogen substitution can significantly reduce the incidence of fractures in postmenopausal women.
  • (7) S-methyl-l-cysteine, 2-hydroxy-4-methiol butyric acid, S-adenosyl-l-methionine, and methionine peptides were the only compounds supporting growth, when substituted for methionine.
  • (8) This implies that the epitope(s) of NNA-PLA2 might comprise some substituted residues in the sequence of PLA2 homologues.
  • (9) The deletions and substitutions appear to occur in separate molecules.
  • (10) Combination of domain substitutions to generate the [Glu107,123]bFGF and [Arg19,Lys123,126]bFGF mutants did not show any additivity of the mutations on biological activity.
  • (11) N-Methoxysulphonamides showed no inhibitory activity, as predicted by the classic work of Krebs on N-substituted inhibitors.
  • (12) Substitution of NaCl in the extracellular medium by sucrose, LiCl, or Na2SO4 had no effect on glutamate stimulation of [3H]dopamine release; however, release was inhibited when NaCl was replaced by choline chloride or N-methyl-D-glucamine HCl.
  • (13) In contrast, strains carrying the substitutions Ile-30----Phe, Gly-33----Leu, Gly-58----Leu, and Lys-34----Val and the Lys-34----Val, Glu-37----Gln double substitution were found to possess a coupled phenotype similar to that of the wild type.
  • (14) Substitutes: Andoni Zubizarreta (Spain), Lajos Detari (Hungary), Dragan Stojkovic (Yugoslavia), Igor Belanov (USSR), Preben Elkjær Larsen (Denmark), Lars Larsson (Sweden), Alexandre Zavarov (USSR).
  • (15) Lipoprotein concentrations reverted to normal after substitution with thyroxine (T4) until the euthyroid state was reached.
  • (16) Taken together with our previous studies showing that MDMA substitutes for the phenylisopropylamine stimulant (+)amphetamine, but that neither MDE nor N-OH MDA substitute for (+)amphetamine or for the phenylisopropylamine hallucinogen 1-(2,5-dimethoxy-4-methylphenyl)-2-aminopropane (DOM), the present results [i.e., MDMA-stimulus generalization to MDE, N-OH MDA, but not to (+)amphetamine] suggest that 1) MDMA produces effects other than those that may be considered amphetamine-like, and 2) MDE and N-OH MDA are MDMA-like agents with even less of an amphetamine-like component of action than MDMA itself.
  • (17) TK1 showed the most restricted substrate specificity but tolerated 3'-modifications of the sugar ring and some 5-substitutions of the pyrimidine ring.
  • (18) Substitution of DnaK protein with that of the mutant DnaK756 protein blocks lambda P release.
  • (19) To selectively stain polyanionic macromolecules of growth plate cartilage and to prevent artifacts induced by aqueous fixation, proximal tibial growth plates were excised from rats, slam-frozen, and freeze-substituted in 100% methanol containing the cationic dye Alcian blue.
  • (20) Plasma drug concentrations, subjective self-ratings, and the digit symbol substitution test (DSST) were evaluated during 24 hours after dosage.