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Saint Michael's Mount

(Encyclopedia)Saint Michael's Mount, pyramid-shaped rocky islet, 21 acres (8.5 hectares), Cornwall, SW England, in Mounts Bay; it rises to more than 200 ft (61 m). A natural causeway connects it at low tide with th...

Salve Regina

(Encyclopedia)Salve Regina sälˈvā rājēˈnə [key] [Lat.,=hail, queen], prayer or hymn to the Virgin Mary, traditionally said, usually in the vernacular, after Low Mass and also, during part of the year, at ves...

Teflon

(Encyclopedia)Teflon, trade name for a solid, chemically inert polymer of tetrafluoroethylene (C2F4), F2C=CF2. Stable up to temperatures around 572℉ (300℃), Teflon is used in electrical insulation, gaskets, and...

ice cream

(Encyclopedia)ice cream, sweet frozen dessert, made from milk fat and solids, sugar, flavoring, a stabilizer (usually gelatin), and sometimes eggs, fruits, or nuts. The mix is churned at freezing temperature to att...

derecho

(Encyclopedia)derecho dərāˈchō [key], a long-lived windstorm over a wide expanse that is associated with a line of rapidly moving thunderstorms or showers. The winds in a derecho generally exceed 57 mph (92 kph...

absolute zero

(Encyclopedia)absolute zero, the zero point of the ideal gas temperature scale, denoted by 0 degrees on the Kelvin and Rankine temperature scales, which is equivalent to −273.15℃ and −459.67℉. For most gase...

housing

(Encyclopedia)housing, in general, living accommodations available for the inhabitants of a community. Throughout the 19th cent., with the advent of the Industrial Revolution, housing as a problem worsened as urban...

explosive

(Encyclopedia)explosive, substance that undergoes decomposition or combustion with great rapidity, evolving much heat and producing a large volume of gas. The reaction products fill a much greater volume than that ...

Poplar Bluff

(Encyclopedia)Poplar Bluff, city (1990 pop. 16,996), seat of Butler co., SE Mo., in the Ozark foothills, on the low bluffs of the Black River near the Ark. line; inc. 1870. It is a trade, shipping, and medical cent...

Hartford

(Encyclopedia)Hartford. <1> City (2020 pop. 121,054), state capital, Hartford co., central Conn., on the west bank of the Connecticut River; settled as Newtown ...