aluminumn.adj.

1812 H. Davy Chem. Philos. I. 355 As yet Aluminum has not been obtained in a perfectly free state.

1833 Penny Cycl. I. 406 Alumina, the earthy oxide of aluminum sometimes called argil or the argillaceous earth.

1859 Proc. Amer. Philos. Soc. 1854–8 6 141 Mr. DuBois laid upon the table specimens of the metal aluminum.

1879 C. Cameron in Cassell's Techn. Educator I. 170 Aluminum is a white malleable metal.

1928 People's Home Jrnl. Nov. 2 (advt.) The whole family of pots and pans of aluminum, agate, enamel and tin can be cleaned.

1978 Globe & Mail (Toronto) 14 July 7/1 What's such a big deal about bus huts, those simple bivouacs of aluminum and plate glass.

1993 Up Here (Yellowknife, N.W. Territories) June 8/3 By recycling paper, aluminum, tin and glass, the Mildred Hall students learned about the environment.

2009 New Yorker 31 Aug. 50/3 Manufacturers, in search of lighter, stiffer, harder-hitting racquets, turned first to aluminum, then to graphite.

1897 Table Talk Oct. 380/2 A couple of cold, silvery grays are distinguished as ‘Aluminum’ and ‘Nickel’.

1911 Printing Art Feb. 464 With gold, gray, or aluminum the olive does not appear to change but the design as a whole is enriched.

1987 Washington Post 14 Oct. c9/1 First he turned to color, to coppers and aluminums and strange metallic greens.

2000 Gifts & Decorative Accessories (Nexis) 1 Nov. 47 A palette of high-tech colors—including blue, gray, and aluminum—defines the Space Age environment.

1894 Manufacturer & Builder June 131/1 The Smith pressure casting process has been very successfully used for casting aluminum articles.

1913 Maclean's Feb. 163/1 The shining nickel-plated or aluminum utensils, including coffee percolators, toasters, [etc.].

1928 People's Home Jrnl. Nov. 2 (advt.) It's great fun for Betsey to make a looking-glass out of mother's aluminum pan.

1948 Life June 74/2 (advt.) Huge aluminum discs suspended from cantilevers and held by wires, form the roofs of terrace and carport.

1978 D. Severance Reach for Sky 26 The modern Rogallo is a very sturdy and solidly constructed hang-glider. It is made of aluminum tubing of uniform thickness.

1993 Business Week 25 Oct. 46/3 Many soda drinkers are ditching aluminum cans for bigger plastic bottles.

1999 U.S. News & World Rep. 1 Nov. 60/2 Wooden bats have been a loss leader for H&B since the national Collegiate Athletic Association gave the nod to aluminum bats 25 years ago.

2001 AutoWeek 17 Dec. 8/1 The Carrera GT uses a lightweight carbon fiber monocoque and aluminum frame to keep weight down.

1846 J. W. Draper Text-bk. Chem. xxxvi. 161 The general formula..in which m represents any metal belonging to the potassium group, and M any one belonging to the aluminum group.

1868 J. D. Dana Syst. Mineral. (ed. 5) 175 The purest beauxite..is called aluminum ore.

1937 Amer. Home Apr. 74/1 (advt.) Insulating Sheathing..additionally sealed against vapor by a special aluminum compound on one side.

1958 Life 14 Apr. 123/2 (caption) A Van de Graaff generator..made of a metal geography globe coated with aluminum paint, a plastic tube, [etc.].

1971 Tools & their Uses (U.S. Navy Bureau of Naval Personnel) (1973) i.14 Tin snips will also work on slightly heavier gages of soft metals such as aluminum alloys.

1977 J. March Adv. Org. Chem. (ed. 2) x. 420 The product in this case is easily reduced to a ketone in high yields with aluminum amalgam or by electrolysis.

1997 K. D. Bonin & V. V. Kresin Electric-dipole Polarizabilities of Atoms, Molecules, & Clusters vi. 176 Chromium and aluminum atoms have been used to fabricate nanostructures using this atom-optics technique.

2004 New Yorker 6 Sept. 68/2 The convention business now looks a bit like the old steel and aluminum industries: too many players offering too much of the same stuff.

2006 J. Updike Terrorist v. 283 Spliced yellow wires loop from the blasting caps, enhanced by aluminum powder and pentrite, which are embedded in the bottom of each drum.

1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 715 Some very interesting researches on aluminum acetate have been published by the late Mr. Walter Crum.

1870 A. J. Bernays Notes Students Chem. (ed. 5) 42 Aluminum fluoride Al₂F₆. Native as ‘Cryolite’ 3NaF,AlF₃ in Greenland.

1907 Science 15 Mar. 409/2 The most remarkable feature was the wonderful effect of liming in increasing the efficiency of the roasted Redondite (iron and aluminum phosphate).

1937 E. N. Klemgard Lubricating Greases viii. 590 Oils containing high percentages of aluminum oleate are not very satisfactory as greases.

1957 H. S. Zim & P. R. Shaffer Rocks & Minerals 49 Kaolin, a group of at least three minerals, all aluminum silicates with water.

1964 L. H. Van Vlack Elements Materials Sci. (ed. 2) xiii. 387 At about 950°F, nitrogen diffuses into the crystal lattice and precipitates in the surface zone as aluminum nitride.

1990 EMBO Jrnl. 9 3821/2 Studies using permeabilized T cells..or aluminum fluoride..also suggest that G proteins regulate T cell behavior.

2006 Sci. Amer. (U.K. ed.) May 17/2 One promising solution is to replace the glass with significantly cheaper and more effective aluminum oxynitrite (ALON), a hard, sapphirelike material.

1881 E. M. Avery Elements of Chem. 345 The tensile strength of average cast brass is about 23,000 lb. per sq. inch, while that of an aluminum brass (Al, 5.8%; Cu, 67.4%; Zn, 26.8%) proved to be 95,712 lb.

c1950 Rapid Identification Some Metals & Alloys 15 Brasses... 2. If aluminum is present, the material is probably aluminum brass.

2001 R. Chattopadhyay Surface Wear ii. 102 Welding aluminum brass with an aluminum brass electrode could lead to substantial dezincification from the weld zone.

1860 Ann. Sci. Discov. 80 We have applied the aluminum-bronze to two uses for which its qualities of hardness and tenacity appear usefully applicable, and success has answered our attempt.

1895 Trans. Amer. Inst. Mining Engineers 1894 24 527 My belief is that it is an aluminide of copper and that its solution in copper gives us the various qualities of aluminum bronze.

1952 R. L. Wood & D. Von Ludwig Investm. Castings for Engineers x. 209 Both beryllium copper and aluminum bronze will develop higher tensile strength and hardness when heat treated.

2004 Internat. Jrnl. Fatigue 26 642/1 The materials tested in this investigation were three commercial solid-solution copper alloys; aluminum bronze (Cu–Al), cartridge brass (Cu–Zn), and copper nickel (Cu–Ni).

1865 Sci. Rev. Mar. 7/1 Professor Williamson desires that compounds and salts should be named according to the method followed in Gmelin's ‘Handbook’... With sesquioxides he would say, for example, aluminic chloride, in preference to aluminum chloride, even though there is but one oxide.

1936 A. Lowy & B. Harrow Introd. Org. Chem. (ed. 4) xxi. 217 The Friedel–Crafts synthesis, in which the aromatic hydrocarbon and the appropriate halogen compound are made to react in the presence of aluminum chloride.

2006 J. M. Hornback Org. Chem. (Internat. Student ed.) xvii. 690 The role of the aluminum chloride is to complex with the halogen to make it a better leaving group.

1858 Cosmopolitan Art Jrnl. 2 207/1 Its specific gravity is so much less than silver that an ounce of aluminum foil will cover many times the surface that would be covered by an ounce of silver foil.

1936 Amer. Home Feb. 86/3 ‘Wear-Ever Aluminum Foil’..keeps food fresh, keeps the full bodied flavor of foods in, and foreign flavors out.

1983 J. D. Harvey Tumbling Mirth (1986) 210 Our ploy was to cover the radome on the nose of the Sabre with aluminum foil.

2005 Chicago Tribune (Midwest ed.) 6 Mar. x. 30/2 Prick the pastry with a fork. Line it with two layers of aluminum foil and weigh it down with baking beans.

1958 Joplin (Missouri) Globe 4 Apr. 9/2 Mrs. Floyd Buell..wore an aluminum foil hat trimmed with kitchen gadgets.

1980 Politics Today Jan. 45/1 Kille is convinced that his brain is controlled by microwaves transmitted from medical laboratories across the country, and he fashions homemade devices, like aluminum foil hats, to try and deflect these ‘controls’.

2010 A. S. Choi Hello Kitty must Die (2012) xviii. 182 Maybe the nutters who think the government is invading their brain with radio waves were right. Maybe I needed to invest in an aluminum foil hat.

1878 A. J. Bernays Notes Students Chem. (ed. 6) 51 Aluminum hydroxide (OH)₆Al₂, yellowish, translucent mass.

1936 A. Lowy & B. Harrow Introd. Org. Chem. (ed. 4) xiv. 149 They are..amphoteric substances like aluminum hydroxide or zinc hydroxide.

1999 C. B. Inlander et al. Over-the-counter Doctor (rev. ed.) 158/1 The most common formulation is aluminum hydroxide, which reacts with gastric acid to form aluminum chloride and water.

1869 A. J. Bernays Student's Chem. xxi. 243 Pure aluminum oxide is a snow-white, porous mass, infusible except in the oxy-hydrogen flame, and perfectly insoluble in water.

1948 R. M. Pearl Pop. Gemol. vii. 251 A colorless stone, called synthetic white sapphire, is made from pure aluminum oxide, free from the impurities that tend to darken it.

2002 In Style Feb. 152/1 A vacuumlike device containing micronized aluminum oxide crystals is swept over the face, sloughing dead skin cells off the surface.

1879 Sci. Amer. Suppl. 11 Jan. 2511/3 H. Merlé & Co. are the principal aluminum smelters in France.

1948 Sci. News Let. 28 Aug. 142/2 The main targets of military air power in a war are industrial: oil refineries, steel mills, engine factories, electric power plants, aluminum smelters.

2011 Chemosphere 83 1375/1 These three sites, one aluminum foundry and two aluminum smelters, have contaminated the St. Lawrence River and its three tributaries with PCBs.

1869 A. J. Bernays Student's Chem. xxi. 244 Potassium alum may be prepared from aluminum sulphate, by the addition of Potassium sulphate.

1937 Amer. Home Apr. 130/3 Azaleas prefer an acid soil, so if necessary add a bit of aluminum sulphate or other soil acidifier.

2008 E. Royte Bottlemania vi. 118 Cities have long dumped aluminum sulfate, or alum, into the water.