Thin+coating
51photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …
52solar cell — a photovoltaic cell that converts sunlight directly into electricity. * * * Any device that directly converts the energy in light into electrical energy through the process of photovoltaics (see photovoltaic effect). Solar cells do not use… …
53Drywall — For the musical group, see Drywall (musical project). Vertically hung drywall with joint compound. Drywall, also known as plasterboard, wallboard or gypsum board is a panel made of gypsum plaster pressed between two thick sheets of paper. It is… …
54Electronic packaging — is a major discipline within the field of electronic engineering, and includes a wide variety of technologies. It refers to enclosures and protective features built into the product itself, and not to shipping containers. It applies both to end… …
55digestive system, human — Introduction the system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract (alimentary canal), or the series of structures and organs through which food and liquids pass… …
56scale — I. noun Etymology: Middle English scole, scale bowl, scale of a balance, from Old Norse skāl; akin to Old Norse skel shell more at shell Date: 14th century 1. a. either pan or tray of a balance b. a beam that is supported freely in the center and …
57glaze — [glāz] vt. glazed, glazing [ME glasen < glas, GLASS] 1. to fit (windows, etc.) with glass 2. to give a hard, glossy finish or coating to; specif., a) to overlay (pottery, etc.) with a substance that gives a glassy finish when fused b) to make… …
58black ice — noun a thin coating of ice (as from freezing mist) on a road or sidewalk; nearly invisible but very hazardous • Hypernyms: ↑ice, ↑water ice * * * I. noun : dark colored glacial ice formed by freezing of silt laden water compare blue ice, white… …
59Phonograph — Turntable redirects here. For other uses, see Turntable (disambiguation). Edison cylinder phonograph ca. 1899 …
60Movable type — For the weblog software, see Movable Type. Part of a series on the History of printing …
