(n.) A soft white metallic element, sonorous, ductile, very malleable, and capable of a high degree of polish. It is found native, and also combined with sulphur, arsenic, antimony, chlorine, etc., in the minerals argentite, proustite, pyrargyrite, ceragyrite, etc. Silver is one of the "noble" metals, so-called, not being easily oxidized, and is used for coin, jewelry, plate, and a great variety of articles. Symbol Ag (Argentum). Atomic weight 107.7. Specific gravity 10.5.
(n.) Coin made of silver; silver money.
(n.) Anything having the luster or appearance of silver.
(n.) The color of silver.
(a.) Of or pertaining to silver; made of silver; as, silver leaf; a silver cup.
(a.) Resembling silver.
(a.) Bright; resplendent; white.
(a.) Precious; costly.
(a.) Giving a clear, ringing sound soft and clear.
(a.) Sweet; gentle; peaceful.
(v. t.) To cover with silver; to give a silvery appearance to by applying a metal of a silvery color; as, to silver a pin; to silver a glass mirror plate with an amalgam of tin and mercury.
(v. t.) To polish like silver; to impart a brightness to, like that of silver.
(v. t.) To make hoary, or white, like silver.
(v. i.) To acquire a silvery color.
Example Sentences:
(1) Another Guardian podcast, Days in the Life, won silver in the same category.
(2) Sulphides, which possibly form on silver alloys, showed cytotoxicity.
(3) We repeat our call for them to do so at the earliest opportunity, and to share those findings so that we can take any appropriate actions.” In the BBC programme the 29-year-old Rupp, who won 10,000m silver at the London 2012 Olympics behind Farah, was accused of having taken testosterone and being a regular user of the asthma drug prednisone, which is banned in competition.
(4) Using a silver staining technique (AgNOR technique), we have investigated the nucleolar organizer-associated proteins (NORs) in formalin-fixed paraffin embedded conjunctival specimens of 15 intraepithelial squamous carcinomas, 10 hyperplastic-dysplastic samples and 10 control epithelial fragments; the mean number of intranuclear black dots was determined for each case.
(5) By contrast, SAP-35, the major surfactant-associated glycoprotein of molecular weight = 35,000, and other higher molecular weight proteins were not detected in significant quantities in the CLSE or surfactant-TA replacement surfactants, either by highly sensitive silver stain analysis or by immunoblot using monospecific antisera generated against bovine SAP-35.
(6) Average number of metaphase Ag-NOR chromosomes (calculated per diploid chromosome set) in haploid parthenogenones exceeded that in the control; in some cases all NORs were stained by silver.
(7) They continuously produced heteropolymeric G6PD and showed strictly additive patterns of silver staining of both parental sets of nucleolar organizing chromosomes.
(8) The nerve endings in the heart of fishes were studied using silver impregnation techniques.
(9) The silver impregnated axons of these cells converge to a paired centrosuperficial tract forming terminal enlargements at the ventrolateral surface of the spinal cord.
(10) On the upside, this year's monsoon will lead to bumper agricultural production, and the cheaper rupee also comes with a thick silver lining.
(11) Some proteins stained with silver can be directly transfer, almost all proteins can be transferred comparably to non-stained controls.
(12) Treatment of the nucleoli with 80 mM Tris-HCl (pH 7.5) -- 0.15 M NaCl did, however, eliminate silver binding.
(13) Light microscope autoradiography revealed the development of specific silver grains in the medial layer of epineurial and perineurial arteries in sections of sciatic nerve exposed either to [3H]DHA or [3H]QNB.
(14) The ammoniacal silver method, which identifies basic proteins, gives a positive reaction in cytoplasmic granules of rat peritoneal mast cells.
(15) In this study we confirmed this finding in two cases of PSP by using Bodian silver staining and immunohistochemistry with antibody to human tau protein.
(16) The problem, said Dr Kinsey, was that Shakespeare's "sceptred isle ... set in a silver sea" is now set in a sea of rubbish.
(17) Several hundred polypeptides were resolved as seen by silver staining.
(18) The Bielschowski silver stain revealed intracellular, argentophilic deposits, which were birefringent when stained with Congo red and viewed in polarized light.
(19) Since no evaluation of the relative merits of electro and chemical cautery has been reported, a prospective randomized study was conducted to assess the effectiveness of electro-cautery and cautery with silver nitrate.
(20) The labelling intensity (as estimated by the number of silver grains per unit of cytoplasmic area) was maximum in cells having dense-cored vesicles whose mean diameter was between 130 and 170 nm, but decreased for cells with mean diameter of dense cores smaller than 130 nm, or larger than 170 nm.
Tester
Definition:
(n.) A headpiece; a helmet.
(n.) A flat canopy, as over a pulpit or tomb.
(n.) A canopy over a bed, supported by the bedposts.
(n.) An old French silver coin, originally of the value of about eighteen pence, subsequently reduced to ninepence, and later to sixpence, sterling. Hence, in modern English slang, a sixpence; -- often contracted to tizzy. Called also teston.
Example Sentences:
(1) As compared with solvent-treated control, no significant increases were observed in the number of revertant colonies in all tester strains in both systems with and without mammalian metabolic activation (S9 Mix).
(2) Gamma-ray-induced reversions in the Ames Salmonella tester strain TA2638 have been studied for their dependence on a number of experimental parameters.
(3) In addition to the fatigue tester and the pulse duplicator, a signal conditioner, a DC amplifier, an analog-to-digital converter, and a digital microcomputer comprised the essential hardware.
(4) Exogenous IC-DH in the incubation for LMA did not alter the mitotic crossing-over and the mitotic gene conversion of dimethylnitrosamine (DMNA) and AR2MNFN (a nitroimidazo[2,1-b]thiazole) in the tester D7 strain of Saccharomyces cerevisiae.
(5) These results suggest that nickel is unable to induce basepair or frameshift mutations in Salmonella tester strains and are discussed in relationship to the low binding affinity of Ni(II) for DNA.
(6) In Drosophila melanogaster new tester strains for the somatic mutation and recombination test (SMART) in the wing were constructed with the aim of increasing the metabolic capacity to activate promutagens.
(7) Vibratory sensitivity was strongly related to height when measurements were made with either the vibration sensitivity tester (P = .02) or the biothesiometer (P less than .01); however, there was no relation between thermal sensitivity (as measured with the thermal sensitivity tester) and height.
(8) Trials with Escherichia coli ATCC and Staphylococcus aureus ATCC strains have been carried out using a point-acting tester as generator of negative oxygen ions.
(9) In addition, the depression of prophage induction observed when the drugs were combined with aflatoxin B1 may be indicative of a common target site of action in the tester strains.
(10) The newly engineered acetyltransferase-enhanced Salmonella tester strain YG1024 (TA98(pYG219] demonstrated greatly enhanced sensitivity to the mutagenicity of 2,4-DAT.
(11) A study was conducted to evaluate the potential of the Testark system in comparison with a commercially available pulp tester.
(12) The stiffness tester and torque meter were found to yield nearly the same measurements of bending deformation for orthodontic wires as small as .007 inch diameter, provided the different bending apparatus are calibrated to each other.
(13) Results establish a revised expression for Young's modulus and show that either the stiffness tester or the torque meter will yield essentially the same measured values of bending properties.
(14) These findings indicate the necessity for using the same tester when effects of treatment are evaluated.
(15) To aid linkage analysis and mapping studies in Dictyostelium discoideum, we have constructed several tester strains with easily scored mutations characterizing the six currently identified linkage groups.
(16) Chromotest agar dishes yielded optimal results after 16-18 h incubation, presumably because of the agar growth characteristics of tester strain PQ37.
(17) The two strains were crossed individually to normal sequence tester strains and the sizes of the proximal and distal segments were followed by pulsed-field gel electrophoresis.
(18) Despite the strong, positive mutagenic response of fecanpentaenes using Ames tester strains TA 98 and TA 100, no increase in nuclear aberrations, taken as a measure of genotoxicity in colonic epithelial cells, was observed over control levels.
(19) The deficience can be restored, giving respiratory sufficience, in crosses with rho0 testers.
(20) The mutants have also been crossed to mit- testers with defined genetic lesions.