What's the difference between glass and metal?

Glass


Definition:

  • (v. t.) A hard, brittle, translucent, and commonly transparent substance, white or colored, having a conchoidal fracture, and made by fusing together sand or silica with lime, potash, soda, or lead oxide. It is used for window panes and mirrors, for articles of table and culinary use, for lenses, and various articles of ornament.
  • (v. t.) Any substance having a peculiar glassy appearance, and a conchoidal fracture, and usually produced by fusion.
  • (v. t.) Anything made of glass.
  • (v. t.) A looking-glass; a mirror.
  • (v. t.) A vessel filled with running sand for measuring time; an hourglass; and hence, the time in which such a vessel is exhausted of its sand.
  • (v. t.) A drinking vessel; a tumbler; a goblet; hence, the contents of such a vessel; especially; spirituous liquors; as, he took a glass at dinner.
  • (v. t.) An optical glass; a lens; a spyglass; -- in the plural, spectacles; as, a pair of glasses; he wears glasses.
  • (v. t.) A weatherglass; a barometer.
  • (v. t.) To reflect, as in a mirror; to mirror; -- used reflexively.
  • (v. t.) To case in glass.
  • (v. t.) To cover or furnish with glass; to glaze.
  • (v. t.) To smooth or polish anything, as leater, by rubbing it with a glass burnisher.

Example Sentences:

  • (1) The previous year, he claimed £1,415 for two new sofas, made two separate claims of £230 and £108 for new bed linen, charged £86 for a new kettle and kitchen utensils and made two separate claims, of £65 and £186, for replacement glasses and crockery.
  • (2) Human gingival fibroblasts were allowed to attach and spread on bio-glasses for 1-72 h. Unreactive silica glass and cell culture polystyrene served as controls.
  • (3) Retention of platelets from whole blood on glass beads was performed by the method of Bowie.
  • (4) Populations of lymphocytes were separated using glass and nylon wool.
  • (5) Analysis of bond values of glass ionomer added to glass ionomer indicate bond variability and low cohesive bond strength of the material.
  • (6) It was like watching somebody pouring a blue liquid into a glass, it just began filling up.
  • (7) A reference glass, five ceramic materials, and one resin-based composite were tested.
  • (8) The average repetitive yields and initial coupling of proteins spotted or blotted into PVDF membranes ranged between 84-98% and 30-108% respectively, and were comparable with the yields measured for proteins spotted onto Polybrene-coated glass fiber discs.
  • (9) Samples of rockwool and glass fibre were compared with chrysotile fibres for their capacity to hydroxylate 2-deoxyguanosine to 8-hydroxydeoxyguanosine, a reaction that is mediated by formation of hydroxyl radicals.
  • (10) Perfused or immersion-fixed epithalamic tissues, sectioned, and mounted on glass slides were processed through the avidin-biotin immunofluorescence method.
  • (11) Nango's dwellings are built on skis so can be pulled around the beach, and have a glass roof to view the northern lights.
  • (12) His office - with a floor-to-ceiling glass wall offering views over a Bradford suburb and distant moors - is devoid of knick-knacks or memorabilia.
  • (13) Three brands of glass ionomer were applied to prepared dentin surfaces of extracted human molars, after one of four treatments with polyacrylic acid.
  • (14) At the bottom is a tiny harbour where cafe Itxas Etxea – bare brick walls and wraparound glass windows – is serving txakoli, the local white wine.
  • (15) When Vladimir Putin kicks back on New Year's Eve with a glass of Russian-made champagne, and reflects on the year behind him, he is likely to feel rather pleased with himself at the way his foreign policy initiatives have gone in 2013.
  • (16) When used in snail neurones such electrodes gave very similar pHi values to those recorded simultaneously by recessed-tip glass micro-electrodes.
  • (17) Cells dissociated from 6-day rat cerebellum were seeded on glass coverslips coated with polylysine on one half and hyaluronectin on the other.
  • (18) These results confirmed that 'punctuated' labeling was not an artefact due to a distortion of the cell's shape by having been dried on glass slides.
  • (19) At one, in the Gun and Dog pub in Leeds on Tuesday, a witness described how the meeting descended into chaos when one of the rebels smashed a glass and threatened to attack Griffin supporter Mark Collett.
  • (20) Dissociated culture of adult mouse dorsal root ganglion cells on glass plates, on which grating-associated microstructures (a repetition of microgrooves [mGRV] and microsteps [mSTP] of 0.1-10 micron) are fabricated by the conventional lithographic techniques, represents a remarkable bi-directional growth of their nerve fibers in the axial direction of the grating.

Metal


Definition:

  • (n.) An elementary substance, as sodium, calcium, or copper, whose oxide or hydroxide has basic rather than acid properties, as contrasted with the nonmetals, or metalloids. No sharp line can be drawn between the metals and nonmetals, and certain elements partake of both acid and basic qualities, as chromium, manganese, bismuth, etc.
  • (n.) Ore from which a metal is derived; -- so called by miners.
  • (n.) A mine from which ores are taken.
  • (n.) The substance of which anything is made; material; hence, constitutional disposition; character; temper.
  • (n.) Courage; spirit; mettle. See Mettle.
  • (n.) The broken stone used in macadamizing roads and ballasting railroads.
  • (n.) The effective power or caliber of guns carried by a vessel of war.
  • (n.) Glass in a state of fusion.
  • (n.) The rails of a railroad.
  • (v. t.) To cover with metal; as, to metal a ship's bottom; to metal a road.

Example Sentences:

  • (1) In this study of ten consecutive patients sustaining molten metal injuries to the lower extremity who were treated with excision and grafting, treatment with compression Unna paste boot was compared with that with conventional dressing.
  • (2) The LD50 of the following metal-binding chelating drugs, EDTA, diethylenetriaminepentaacetic acid (DTPA), hydroxyethylenediaminetriacetic acid (HEDTA), cyclohexanediaminotetraacetic acid (CDTA) and triethylenetetraminehexaacetic acid (TTHA) was evaluated in terms of mortality in rats after intraperitoneal administration and was found to be in the order: CDTA greater than EDTA greater than DTPA greater than TTHA greater than HEDTA.
  • (3) Our recurrences are due to local infections, removing the metal strut too early, i.e.
  • (4) "Acoustic" craters were produced by two laser pulses delivered into a saline-filled metal fiber cap, which was placed in a mechanically drilled crater.
  • (5) These results indicate that the inhibition of CarAc by heavy metals occurs by binding of the sulfhydryl on the enzyme by the metals.
  • (6) The consequences of proved hypersensitivity in patients with metal-to-plastic prostheses, either present prior to insertion of the prosthesis or evoked by the implant material, are not known.
  • (7) In general, enzyme activity was strongly reduced by heavy metal inorganic cations; less strongly by organometallic cations, some anions, and certain pesticides; and weakly inhibited by light metal cations and organometallic and organic compounds.
  • (8) EGTA was ineffective in removing calmodulin from particulate preparations, but treatment with the tervalent metal ion La3+ resulted in a loss of up to 98% of calmodulin activity from these preparations.
  • (9) Sift the cocoa powder over the top and lightly but thoroughly fold it in with the metal spoon.
  • (10) The results also suggest that both alkali metals most probably have been delivered to the suckling pups and some of their toxic effect was retarded.
  • (11) The radioprotective action in E. coli ATCC 9637 of ascorbate added to media containing the weak sensitizer, tetracycline (effect described by Pittillo and Lucas (1967)), was found to be dependent on the presence of metal catalysts of the autoxidation of ascorbate.
  • (12) This study introduces a simple in vitro arrangement to measure current densities of implant metals.
  • (13) A rubber cuff was fixed on the metal cylinder and let an opening of 8 cm, simulating the cervix uteri.
  • (14) Since the enzyme requires a metal ion (Co2+) we suggest that the RNA and heparin are inhibitory by virtue of their capacity to chelate the Co2+.
  • (15) Lesions of allergic contact type could not be induced in the oral mucosa to any of the metal salt preparations.
  • (16) As yet the observations demonstrate that workers exposed in their occupation to heavy metals (cadmium, lead, metalic mercury) and organic solvents should be subjected to special control for detection of renal changes.
  • (17) This study investigates the photoneutron field found in medical accelerator rooms with primary barriers constructed of metal slabs plus concrete.
  • (18) While a clearcut relationship cannot be established between heavy metal music and destructive behavior, evidence shows that such music promotes and supports patterns of drug abuse, promiscuous sexual activity, and violence.
  • (19) The physiologically important metal ion for catalysis is Mg2+; however, Mn2+ supports in vitro activity, though at a reduced level.
  • (20) We support the view that catalysis by metalloenzymes may be a reflection of the chemistry of the metal ion itself as a Lewis acid, and that perhaps too much emphasis has been placed on supposed special characteristics (such as strains, "entasis") of the enzyme-metal ion association.