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Höchst

(Encyclopedia)Höchst hökhst [key], industrial district of Frankfurt, in Hesse, central Germany. It is a leading center of the German chemical industry and was formerly the site of the I. G. Farben chemical and dy...

insecticides

(Encyclopedia)insecticides, chemical, biological, or other agents used to destroy insect pests; the term commonly refers to chemical agents only. The liabilities of chemical insecticides have encouraged interest ...

sulfur

(Encyclopedia)CE5 Sulfur crystals sulfur or sulphur sŭlˈfər [key], nonmetallic chemical element; symbol S; at. no. 16; interval in which at. wt. ranges 32.059–32.076; m.p. 112.8℃ (rhombic), 119.0℃ (mon...

minium

(Encyclopedia)minium: see red lead.

Molé, Louis Mathieu, Comte

(Encyclopedia)Molé, Louis Mathieu, Comte lwē mätyöˈ kôNt môlāˈ [key], 1781–1855, French politician. He was made a count and minister of justice by Emperor Napoleon I and later served in several cabinets ...

Dushanbe

(Encyclopedia)Dushanbe do͞oshănˈbə, –shänˈ– [key], city, capital of Tajikistan, W Tajikis...

silicosis

(Encyclopedia)silicosis sĭlĭkōˈsĭs [key], occupational disease of the lungs caused by inhalation of free silica (quartz) dust over a prolonged period of time. Free silica is dispersed in the air and inhaled by...

putty

(Encyclopedia)putty, commonly a mixture of whiting (calcium carbonate) and boiled linseed oil. Other substances may be combined with the oil to make putties suitable for some specific purpose. For example, the red ...

niello

(Encyclopedia)niello nēĕlˈō [key] [Ital. from Latin nigellus=blackish], black metallic alloy of sulfur, copper, silver, and usually lead, used as an inlay on engraved metal. The metal surface is brushed with a ...

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