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Maximilian I, 1459–1519, Holy Roman emperor and German king
(Encyclopedia)Maximilian I, 1459–1519, Holy Roman emperor and German king (1493–1519), son and successor of Holy Roman Emperor Frederick III. As emperor, he aspired to restore forceful imperial leadership and i...catalyst
(Encyclopedia)catalyst, substance that can cause a change in the rate of a chemical reaction without itself being consumed in the reaction; the changing of the reaction rate by use of a catalyst is called catalysis...energy
(Encyclopedia)CE5 Relations between potential energy (PE) and kinetic energy (KE) for a swinging pendulum energy, in physics, the ability or capacity to do work or to produce change. Forms of energy include hea...Rulers of the Byzantine Empire (table)
(Encyclopedia)Rulers of the Byzantine Empire ...homosexuality
(Encyclopedia)homosexuality, a term created by 19th cent. theorists to describe a sexual and emotional interest in members of one's own sex. Today a person is often said to have a homosexual or a heterosexual orien...metallurgy
(Encyclopedia)metallurgy mĕtˈəlûrˌjē [key], science and technology of metals and their alloys. Modern metallurgical research is concerned with the preparation of radioactive metals, with obtaining metals econ...marriage
(Encyclopedia)marriage, socially sanctioned union that reproduces the family. In all societies the choice of partners is generally guided by rules of exogamy (the obligation to marry outside a group); some societie...salt, chemical compound
(Encyclopedia)salt, chemical compound (other than water) formed by a chemical reaction between an acid and a base (see acids and bases). Salts are also prepared by methods other than neutralization. A metal can c...Constantine I, Roman emperor
(Encyclopedia)Constantine I or Constantine the Great kŏnˈstəntēn, –tīn [key], 288?–337, Roman emperor, b. Naissus (present-day Niš, Serbia). He was the son of Constantius I and Helena and was named in ful...Rulers of the Roman Empire (table)
(Encyclopedia)Rulers of the Roman Empire(including dates of reign) Emperors in the East(until the fall of Rome; see table entitled Rulers of the Byzantine Empireat Byzantine Empire for later emperors) Empero...Browse by Subject
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