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hydrogen chloride
(Encyclopedia) hydrogen chloride, chemical compound, HCl, a colorless, poisonous gas with an unpleasant, acrid odor. It is very soluble in water and readily soluble in alcohol and ether. It fumes in…wire
(Encyclopedia) wire, metal filament, strand, or solid rod usually having a round cross section. Metals and alloys used for wiremaking are chosen for high tensile strength and ductility or for their…lutetium
(Encyclopedia) lutetium, formerly luteciumluteciumboth: l&oomacr;tēˈshēəm [key], metallic chemical element; symbol Lu; atomic number 71; at. wt. 174.9668; m.p. about 1,663℃; b.p. about 3,395℃; sp…cire perdue
(Encyclopedia) cire perduecire perduesēr pĕrdüˈ [key] [Fr.,=lost wax], sculptural process of metal casting that may be used for hollow and solid casting. The sculptor makes a model in plaster or clay…crucible
(Encyclopedia) crucible, vessel in which a substance is heated to a high temperature, as for fusing or calcining. The necessary properties of a crucible are that it maintain its mechanical strength…Hammond
(Encyclopedia) Hammond. 1 City (2020 pop. 77,879), Lake co., extreme NW Ind., bounded by Lake Michigan, the Ill. state line, and the Little Calumet…hydroxyl group
(Encyclopedia) hydroxyl grouphydroxyl grouphīdrŏkˈsĭl [key], in chemistry, functional group that consists of an oxygen atom joined by a single bond to a hydrogen atom. An alcohol is formed when a…alkali
(Encyclopedia) alkalialkaliălˈkəlī [key] [Arab., al-gili=ashes of saltwort], hydroxide of an alkali metal. Alkalies are readily soluble in water and form strongly basic solutions with a…voltaic cell
(Encyclopedia) voltaic cell, a simple device with which chemical energy is converted into electrical energy. Two dissimilar metals (e.g., copper and zinc) are immersed in an electrolyte (e.g., a…photoengraving
(Encyclopedia) photoengraving, photomechanical process in the graphic arts, used principally for reproducing illustrations. The subject is photographed, and the image is recorded on a sensitized…Trending
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