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quantum electrodynamics
(Encyclopedia)quantum electrodynamics (QED), quantum field theory that describes the properties of electromagnetic radiation and its interaction with electrically charged matter in the framework of quantum theory. ...copaiba
(Encyclopedia)copaiba kōpāˈbə, –pīˈ– [key], oleoresin (see resin) obtained from several species of tropical South American trees of the genus Copaifera. The thick, transparent exudate varies in color from...Keyser, Thomas de
(Encyclopedia)Keyser, Thomas de də kīˈzər [key], c.1596–1667, Dutch portrait and figure painter of Amsterdam. He was the outstanding practitioner in his field prior to Rembrandt. De Keyser's work is distingui...Kirksville
(Encyclopedia)Kirksville, city (1990 pop. 17,152), seat of Adair co., N Mo.; inc. 1857. A processing, trade, and shipping center for a farm area (corn, soybeans, sheep, cattle, hogs), Kirksville also has light manu...Taylor, Bert Leston
(Encyclopedia)Taylor, Bert Leston, 1866–1921, American newspaper columnist, b. Goshen, Mass. He worked for a number of newspapers before establishing his column, “A Line o' Type or Two,” signed B. L. T., ...terrarium
(Encyclopedia)terrarium, a miniature garden in an artificial environment, in which small plants and animals may be kept as ornament or for educational purposes. Fish bowls, small fish tanks, large bottles, and carb...Duquesne
(Encyclopedia)Duquesne dəkānˈ, do͞o–, dyo͞o– [key], city (2020 pop. 5,589), Allegheny co.,...East Lyme
(Encyclopedia)East Lyme līm [key], town (1990 est. pop. 14,000), New London co., SE Conn., on Long Island Sound; settled c.1660, inc. 1839. The town has diversified light industry. Its many colonial buildings incl...Kennebunk
(Encyclopedia)Kennebunk kĕnəbŭngkˈ [key], town (1990 pop. 8,004), York co., S Maine, adjacent to Kennebunkport; inc. 1820. The first settlement (c.1650) grew as a trading and, later, a shipbuilding and shipping...San Isidro
(Encyclopedia)San Isidro sän ēsēˈᵺrō [key], city (1991 pop. 299,022), Buenos Aires prov., E Argentina. It is a district administrative center in the Greater Buenos Aires area. San Isidro grew around a chapel...Browse by Subject
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