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pole, in electricity and magnetism

(Encyclopedia)pole, in electricity and magnetism, point where electric or magnetic force appears to be concentrated. A single electric charge located at a point is sometimes referred to as an electric monopole. An ...

rust, in chemistry and metallurgy

(Encyclopedia)rust, in chemistry and metallurgy: see corrosion. ...

raisin, in botany and cooking

(Encyclopedia)raisin, dried fruit of certain varieties of grapevines bearing grapes with a high content of sugar and solid flesh. Although the fruit is sometimes artificially dehydrated, it is usually sun-dried. Th...

will, in philosophy and psychology

(Encyclopedia)will, in philosophy and psychology, term used to describe that which is alleged to stimulate the motivation of purposeful activity. It is characteristic of the will that it can be observed only in one...

Asgard

(Encyclopedia)Asgard ăsˈgärd [key], in Norse mythology, home of the gods, also known as Aesir. It consisted of luxurious palaces and halls, in which the gods (whose chief was Odin) dwelled, conferred, and banque...

Maia

(Encyclopedia)Maia māˈə, mīˈə [key]. 1 In Greek mythology, oldest of the Pleiades. She was the mother of Hermes by Zeus. 2 In Roman mythology, goddess of fertility; also called Maiesta. She was often identifi...

Morpheus

(Encyclopedia)Morpheus môrˈfēəs [key], in Greek and Roman mythology, god of dreams. The son of Hypnos (or Somnus), the god of sleep, he brought dreams of human forms. His brothers Phobetor and Phantasos induced...

space probe

(Encyclopedia)space probe, space vehicle carrying sophisticated instrumentation but no crew, designed to explore various aspects of the solar system (see space exploration). Unlike an artificial satellite, which is...

superior planet

(Encyclopedia)superior planet, planet whose orbit lies outside that of the earth. The superior planets are Mars, Jupiter, Saturn, Uranus, and Neptune. ...

Hügel, Friedrich, Baron von

(Encyclopedia)Hügel, Friedrich, Baron von frēˈdrĭkh bärōnˈ fən hüˈgəl [key], 1852–1925, British Roman Catholic religious writer, b. Florence; son of an Austrian diplomat. After his marriage (1873), Hü...