What's the difference between brass and copper?

Brass


Definition:

  • (n.) An alloy (usually yellow) of copper and zinc, in variable proportion, but often containing two parts of copper to one part of zinc. It sometimes contains tin, and rarely other metals.
  • (n.) A journal bearing, so called because frequently made of brass. A brass is often lined with a softer metal, when the latter is generally called a white metal lining. See Axle box, Journal Box, and Bearing.
  • (n.) Coin made of copper, brass, or bronze.
  • (n.) Impudence; a brazen face.
  • (n.) Utensils, ornaments, or other articles of brass.
  • (n.) A brass plate engraved with a figure or device. Specifically, one used as a memorial to the dead, and generally having the portrait, coat of arms, etc.
  • (n.) Lumps of pyrites or sulphuret of iron, the color of which is near to that of brass.

Example Sentences:

  • (1) Corbyn to complain to MoD about army chief's ‘political interference’ Read more Meanwhile, Jeremy Corbyn’s political mis-steps over the past 10 days have allowed his views to be dismissed as flaky and irresponsible – even where he is right, as in his warnings about kneejerk responses to terrorist attacks and, indeed, in his Armistice Day strictures about the requirement for the top brass to stay out of politics .
  • (2) Of the various metals and alloys tested for use in its construction, brass produced the smallest NMR artifact with minimal magnification.
  • (3) "For the top brass in French football, the issue is settled: there are too many blacks, too many Arabs, and not enough white players in French football," the website said.
  • (4) Facebook Twitter Pinterest Rodriguez, who has been recovering from offseason hip surgery and who stands to lose more than $35m on the remaining portion of his contract should the reported suspension be carried out, has a team of lawyers working to battle the office of the commissioner on any penalties, despite MLBPA union head Michael Weiner reaching out to baseball's brass to try to hammer out a late deal on Saturday, an offer that was rejected by the sport's ruling body.
  • (5) The increase in retention was greater for brass than for dentine.
  • (6) A brass probe cooled to--79 degrees C and applied directly to infected corneas for six seconds resulted in an immediate 99.9% reduction in bacteria.
  • (7) The musician group was comprised of 31 brass instrument players, and 31 reed instrument or flute players.
  • (8) The pathologically increased enzyme activity might well permit diagnostic conclusions concerning the intensity and stage of destruction of the retina by brass poisoning.
  • (9) He’ll face competition from Manchester City though with Pep Guardiola shunning a wealth of Barcelona and Bayern Munich stars and identifying the England man as his top transfer target during a meeting with City’s top brass in, er, Amsterdam.
  • (10) wonders Chris Taylor, who one suspects doesn't have two brass bawbies to rub together.
  • (11) You're as likely to see the entire brass section of the Halle Orchestra running across the road at the interval for a swift pint as you are a room full of drunken retired policemen.
  • (12) The colonization rates were polyvinyl chloride, 70; copper, 31; and brass, 25%.
  • (13) Players of string instruments had longer careers than players of woodwind and brass instruments.
  • (14) All of my photographs are taken on a 4in by 5in wood and brass Gandolfi camera .
  • (15) Our guide extinguished the light and began to open the shutter, rotating the lens with a brass handle.
  • (16) Z was measured between brass sleeve electrodes within the end conduits of the pouch.
  • (17) Speaking as a factory member I had remembered many brass band concerts we enjoyed during lunchtimes in the Oxford car factory where I worked for 14 years.
  • (18) A plastic catheter is introduced into the trachea through a brass tube fitted on to the laryngoscope blade and oxygen is injected intermittently through the catheter to provide ventilation.
  • (19) Over a 0.009 inch flexible tip steel wire a diamond-coated brass burr fastened to a flexible drive shaft that rotates and tracks was advanced.
  • (20) A "news" report on Chris Morris's satirical Brass Eye once summed up a particularly unpleasant sight as resembling "Dante meets Bosch in a crack lounge in hell".

Copper


Definition:

  • (n.) A common metal of a reddish color, both ductile and malleable, and very tenacious. It is one of the best conductors of heat and electricity. Symbol Cu. Atomic weight 63.3. It is one of the most useful metals in itself, and also in its alloys, brass and bronze.
  • (n.) A coin made of copper; a penny, cent, or other minor coin of copper.
  • (n.) A vessel, especially a large boiler, made of copper.
  • (n.) the boilers in the galley for cooking; as, a ship's coppers.
  • (v. t.) To cover or coat with copper; to sheathe with sheets of copper; as, to copper a ship.

Example Sentences:

  • (1) This result was confirmed by atomic absorption spectroscopy, which indicated a stoicheiometry for copper and manganese of approx.
  • (2) Serum copper concentration also was measured in dams and kids in a control herd that had no history of ataxia.
  • (3) Copper therapy was applied to 7-day-old mutant mice.
  • (4) Several derivatives and analogs of the recently reported antiproliferative and antitumor agent trans-bis(salicylaldoximato)copper(II) (CuSAO2) have been prepared and tested for antiproliferative activity against L1210 leukemia cells in vitro.
  • (5) Accumulation of copper was not detected in the brain or small intestines of LEC rats until 13 mo.
  • (6) The potential use of ancrod, a purified isolate from the venom of the Malaysian pit viper, Agkistrodon rhodostoma, in decreasing the frequency of cyclic flow variations in severely stenosed canine coronary arteries and causing thrombolysis of an acute coronary thrombus induced by a copper coil was evaluated.
  • (7) The affinity of haFGF for copper was also confirmed to be higher than that of hbFGF using a copper affinity HPLC column.
  • (8) In the present study, maternal and fetal zinc (Zn), copper (Cu), manganese (Mn), iron (Fe), magnesium (Mg), and calcium (Ca) status has been studied in Sprague-Dawley (SD) and Wistar rats.
  • (9) This study provides evidence for a maternal yolk factor associated with increased tolerance and resistance of larvae to copper.
  • (10) With copper-ion catalysis, ligands inhibit competitively.
  • (11) No decisive numerical criterion was found that could be used to separate normal from abnormal copper concentrations because of this continuous array.
  • (12) No clear population trends were seen in dental disease incidence except for cemental caries which were found among Copper and Bronze Age remains.
  • (13) At 2 months of age there were no major differences in growth or health detected in infants fed the different copper intakes.
  • (14) In order to determine the specific action of cadmium on bone metabolism, the effect of cadmium on alkaline phosphatase activity, a marker enzyme of osteoblasts, was compared with that of other divalent heavy metal ions, i.e., zinc, manganese, lead, copper, nickel and mercury (10 microM each), using cloned osteoblast-like cells, MC3T3-E1.
  • (15) 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.
  • (16) Retinal changes should be reversible by short term systemic copper administration.
  • (17) Wilson disease is due to a genetically determined impairment of copper excretion from liver into bile resulting in copper overload of the organism.
  • (18) Arachidonic acid was also increased in plasma and liver phospholipids in low copper rats.
  • (19) These results suggest that HVE cells are more susceptible to concentration-dependent copper cytotoxicity than HAIN-55 cells are, and that copper could induce vascular endothelial injury, which may be involved in the pathogenesis of cardiovascular disease.
  • (20) Cadmium and copper content was determined by atomic absorption spectrophotometry from four tissue types; young blade, old blade, young stipe and old stipe.