(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.
Patina
Definition:
(n.) A dish or plate of metal or earthenware; a patella.
(n.) The color or incrustation which age gives to works of art; especially, the green rust which covers ancient bronzes, coins, and medals.
Example Sentences:
(1) Frequent antisemitic raids undermined Vishneva’s patina of autonomy.
(2) It’s all, says the chancellor, George Osborne, “part of our long-term plan to secure Britain’s future.” To an idiot such as myself, it looks like part of a long-term plan to secure the future of Patina Rail LLP.
(3) That may indeed exist below the democratic patina of these declarations.
(4) But a patina of menace soon becomes apparent as you read the details and digest the implications.
(5) But it also brought together a fractured nation, promoted Mr Hoff – with his illuminated leather jacket and walnut patina – to a symbol of all the west had to offer and now, 25 years later, provides the mercilessly frequent music accompaniment to this one-(H)off documentary commemorating the fall of the Berlin Wall.
(6) The Knights Templar group, which evolved out of a split from another drug gang, La Familia , has grown into the state's most powerful mafia, draped in a patina of religiosity and insurgent rebellion.
(7) What it may do, should a consensus be reached, is give momentum and a patina of success to an otherwise lustreless conference.
(8) He acknowledged Cameron's prime ministerial patina, his perceived "strength", but sought to turn it against him: "He may be strong at standing up to the weak, but he's always weak when it comes to standing up to the strong."
(9) "All those patinas fit better on a person like me."
(10) Scraping away at the green patina on the new-look, Zac Goldsmith-inspired Conservative environmental policies, puncturing Brown's grumpy greenery and unpicking the carbon contortions of the coal-loving Celts.
(11) The education provided by industry, coated in a patina of self-regulation, has been shown to be biased.
(12) The speech announcing his decision gave it a philosophical patina, as Trump returned to the “America first” theme of his inaugural address, describing the world as a site of Hobbesian, dog-eat-dog competition in which global cooperation is for wimps and suckers.
(13) The only way to completely remove a scratch in a piece of furniture is to sand the surrounding timber down to the same level as the scratch, but this can destroy the finish, patina and character of a piece of furniture and is hard, time-consuming work.
(14) David Bandurski, of Hong Kong University's China media project, said the new commentaries, with their "patina of moral decadence", were "helping to whip up an atmosphere where it's easier to tackle social media … It's part of a general campaign to put more pressure on microblogs".
(15) It is, however, now clear that David Cameron’s one-time “ vote blue, go green ” pitch in opposition was no more than verdigris, a patina rapidly scratched off by the grind of being in government.
(16) If Patina Rail LLP makes a mess of running the service, it’s not hard to see who’ll be expected to pick up the pieces.