What's the difference between refuse and scavenge?

Refuse


Definition:

  • (v. t.) To deny, as a request, demand, invitation, or command; to decline to do or grant.
  • (v. t.) To throw back, or cause to keep back (as the center, a wing, or a flank), out of the regular aligment when troops ar/ about to engage the enemy; as, to refuse the right wing while the left wing attacks.
  • (v. t.) To decline to accept; to reject; to deny the request or petition of; as, to refuse a suitor.
  • (v. t.) To disown.
  • (v. i.) To deny compliance; not to comply.
  • (n.) Refusal.
  • (n.) That which is refused or rejected as useless; waste or worthless matter.
  • (a.) Refused; rejected; hence; left as unworthy of acceptance; of no value; worthless.

Example Sentences:

  • (1) We were instantly refused entrance by the heavies at the door.
  • (2) There are widespread examples across the US of the police routinely neglecting crimes of sexual violence and refusing to believe victims.
  • (3) Such a science puts men in a couple of scientific laws and suppresses the moment of active doing (accepting or refusing) as a sufficient preassumption of reality.
  • (4) There were no deaths but one refused to have ketamine again.
  • (5) That’s a criticism echoed by Democrats in the Senate, who issued a report earlier this month criticising Republicans for passing sweeping legislation in July to combat addiction , the Comprehensive Addiction and Recovery Act (Cara), but refusing to fund it.
  • (6) She successfully appealed against the council’s decision to refuse planning permission, but neighbours have launched a legal challenge to be heard at the high court in June.
  • (7) Tony Abbott has refused to concede that saying Aboriginal people who live in remote communities have made a “lifestyle choice” was a poor choice of words as the father of reconciliation issued a public plea to rebuild relations with Indigenous people.
  • (8) The military is not being honest about the number of men on strike: most of us are refusing to eat.
  • (9) But employers who have followed a fair procedure may have the right to discipline or finally dismiss any smoker who refuses to accept the new rules.
  • (10) Republican presidential hopeful Scott Walker has refused to say whether he believes in the theory of evolution, arguing that it is “a question a politician shouldn’t be involved in one way or the other”.
  • (11) But in a setback to the UK, Somaliland, which broke away from Somalia in 1991, refused British entreaties to attend on the grounds that it would not have been treated as equal to the Somali government.
  • (12) Ten patients had been treated by adrenalectomy, one patient by radiotherapy of the hypophysis, and one patient had refused any treatment.
  • (13) What if the court of justice refuses to answer the question?
  • (14) The only thing the media will talk about in the hours and days after the debate will be Trump’s refusal to say he will accept the results of the election, making him appear small, petty and conspiratorial.
  • (15) A small band of shadow cabinet members have lined up to refuse to serve in posts they haven’t even been offered, on the basis of objection to economic policies they clearly haven’t read.
  • (16) The prerequisite for all champions is the refusal to cave in, so City's equaliser with only three minutes remaining was pleasing.
  • (17) Black males with low intentions to use condoms reported significantly more negative attitudes about the use of condoms (eg, using condoms is disgusting) and reacted with more intense anger when their partners asked about previous sexual contacts, when a partner refused sex without a condom, or when they perceived condoms as interfering with foreplay and sexual pleasure.
  • (18) As long as Israel refuses to cease settlement activities and to the release of the fourth group of Palestinian prisoners in accordance with our agreements, they leave us no choice but to insist that we will not remain the only ones committed to the implementation of these agreements, while Israel continuously violates them,” Abbas said.
  • (19) The people who will lose are not the commercial interests, and people with particular vested interests, it’s the people who pay for us, people who love us, the 97% of people who use us each week, there are 46 million people who use us every day.” Hall refused to be drawn on what BBC services would be cut as a result of the funding deal which will result in at least a 10% real terms cut in the BBC’s funding.
  • (20) These letters are also written during a period when Joyce was still smarting from the publishing difficulties of his earlier works Dubliners and A Portrait of the Artist as a Young Man.” Gordon Bowker, Joyce’s biographer, agreed: “Joyce’s problem with the UK printers related to the fact that here in those days printers were as much at risk of prosecution on charges of publishing obscenities as were publishers, and would simply refuse to print them.

Scavenge


Definition:

  • (v. t.) To cleanse, as streets, from filth.

Example Sentences:

  • (1) These membrane perturbation effects not observed with bleomycin-iron in the presence of a hydroxyl radical scavenger, dimethyl thiourea, or a chelating agent, desferrioxamine, were correlated with the ability of the complex to generate highly reactive oxygen species.
  • (2) The role of O2 free radicals in the reduction of sarcolemmal Na+-K+-ATPase, which occurs during reperfusion of ischemic heart, was examined in isolated guinea pig heart using exogenous scavengers of O2 radicals and an inhibitor of xanthine oxidase.
  • (3) This may be due to DMSO's ability to scavenge free radicals.
  • (4) As calls grew to establish why nobody stepped in to save Daniel, it was also revealed that the boy's headteacher – who saw him scavenging for scraps – has not been disciplined and has been put in charge of a bigger school.
  • (5) It may be due to relative nonreactivity of ascorbic acid free radical that free radical chain reactions, found commonly in radical chemistry, do not occur in the scavenging reaction by ascorbic acid.
  • (6) The free radical scavengers mannitol, thiourea, benzoate, and 4-methylmercapto-2-oxobutyrate protected either native cells exposed to H2O2 or pretreated hepatocytes exposed to H2O2 and given ferric or ferrous iron.
  • (7) Also skeletal muscle necrosis can be reduced if these scavengers are provided in high concentration during reperfusion.
  • (8) The oxygen-free radical scavengers thiourea, mannitol and catalase prevented toxicity mediated by ferrous ammoniumsulphate but not by ferrous ascorbate (molar ratio of 1:20).
  • (9) On the basis of these results it is suggested that (+)-cyanidanol-3 treatment protects brain suspensions against lipid peroxidation by acting as a free radical scavenger in vitro.
  • (10) However, two observations suggested that surface epithelial loss alone was not sufficient to trigger the proliferative response to DOC: intracolonic instillation of DOC followed by removal of the DOC solution at 1 h, at which time surface epithelial loss was maximal, did not result in an increase in ornithine decarboxylase activity or [3H]dThd incorporation into DNA when these parameters were assessed at 4 h or 12 to 48 h, respectively; phenidone, an antioxidant and radical scavenger, and bis[(3,5-diisopropyl-salicylato) (O,O) copper(II), a lipophilic agent with superoxide dismutase activity, abolished the DOC mediated proliferative response but did not prevent the early loss of surface cells.
  • (11) The theoretical calculations refer to a simple aqueous system containing DNA molecules and scavenger (Tris).
  • (12) The sulfhydryl enzyme malate synthase was inactivated by X-irradiation in air-saturated aqueous solution, in the absence or presence of a variety of additives (thiols, antioxienzymes, typical radical scavengers, inorganic salts, buffer components, substrates, products, analogues).
  • (13) Thus, GSH appears to suppress the toxicity of 6-OH-DA, probably by scavenging the toxic species formed during 6-OH-DA oxidation.
  • (14) Under physiological conditions the platelet 5HT-system may have a role as a scavenger for free extracellular 5HT and in hemostasis.
  • (15) Our model is a development of previous models, but differs in several respects: the overall activity is assumed to be dependent on the error level, the effect of errors in the translating system, giving rise to additional errors in the succeeding generation of products, is explicitly included as a special term in our model, and scavenging enzymes are assumed to break down and eliminate products with a loose structure.
  • (16) The radiobiological effect of alcohols is normally attributed either to radical scavenging or to oxidation.
  • (17) The present work reviews the evidence for an involvement of free radicals in the pathophysiology of chronic pancreatitis and the potential of treatment with antioxidant and scavenger substances.
  • (18) In models of prolonged ischemia (2 hours) followed by reperfusion, we have not observed a beneficial effect of scavengers on stunned myocardium.
  • (19) Formation of 2,5-DHB was inhibited by CO, metyrapone and SKF-525A, but not by the .OH scavengers mannitol and formate or by the iron chelator desferrioxamine.
  • (20) The pharmacologic modification of this injury process, with agents that scavenge these reactive oxygen metabolites, block their generation, or enhance the endogenous antioxidant capability, has shown great promise in animal models of common clinical conditions, and has already been successfully applied in controlled clinical trials.