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Maximin, d. 313, Roman emperor

(Encyclopedia)Maximin (Galerius Valerius Maximinus), d. 313, Roman emperor (308–13); kinsman of Galerius. He is called Maximin Daia. He was made caesar in 305 and in 308 proclaimed himself augustus in opposition ...

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 ...

Themis

(Encyclopedia)Themis thēˈmĭs [key], in Greek religion and mythology, a Titan. Sometimes identified as an earth goddess, she was more commonly a goddess of law, order, and justice. She was the mother by Zeus of t...

induction, in electricity and magnetism

(Encyclopedia)induction, in electricity and magnetism, common name for three distinct phenomena. Electromagnetic induction is the production of an electromotive force (emf) in a conductor as a result of a changing ...

Leopold I, Holy Roman emperor

(Encyclopedia)Leopold I, 1640–1705, Holy Roman emperor (1658–1705), king of Bohemia (1656–1705) and of Hungary (1655–1705), second son and successor of Ferdinand III. Upon his elder brother's death (1654), ...

mace, in botany and cooking

(Encyclopedia)mace, in botany and cooking: see nutmeg. ...

rust, in chemistry and metallurgy

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

gill, in weights and measures

(Encyclopedia)gill, in weights and measures: see English units of measurement. ...

grain, in weights and measures

(Encyclopedia)grain, in weights and measures: see English units of measurement. ...

formula, in mathematics and physics

(Encyclopedia)formula, in mathematics and physics, equation expressing a definite fixed relationship between certain quantities. The quantities are usually expressed by letters, and their relationship is indicated ...