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alchemy

(Encyclopedia)alchemy ălˈkəmē [key], ancient art of obscure origin that sought to transform base metals (e.g., lead) into silver and gold; forerunner of the science of chemistry. Some scholars hold that it was ...

irrigation

(Encyclopedia)irrigation, in agriculture, artificial watering of the land. Although used chiefly in regions with annual rainfall of less than 20 in. (51 cm), it is also used in wetter areas to grow certain crops, e...

Islamic art and architecture

(Encyclopedia)Islamic art and architecture, works of art and architecture created in countries where Islam has been dominant and embodying Muslim precepts in its themes. Among the ceramic types are unglazed wares...

lentil

(Encyclopedia)lentil, leguminous Old World annual plant (Lens culinaris) with whitish or pale blue flowers. Its pods contain two greenish-brown or dark-colored seeds, also called lentils, which when fully ripe are ...

Arnim, Achim von

(Encyclopedia)Arnim, Achim or Joachim von äkhˈĭm, yōäkhˈĭm, fən ärˈnĭm [key], 1781–1831, German writer of the romantic school. He is best remembered for his work with his brother-in-law, Clemens Brenta...

Artaxerxes I

(Encyclopedia)Artaxerxes I ärˌtəzûrkˈsēz [key], d. 425 b.c., king of ancient Persia (464–425 b.c.), of the dynasty of the Achaemenis. Artaxerxes is the Greek form of “Ardashir the Persian.” He succeeded...

moon worship

(Encyclopedia)moon worship. Although the moon has not had great prominence in the history of religion, the worship of it has been known since earliest recorded time—in the oldest literatures of Egypt, Babylonia, ...

Mandeville, Sir John

(Encyclopedia)Mandeville, Sir John, 14th-century English author of The Travels of Sir John Mandeville. Originally written in Norman French, the work became enormously popular and was translated into English, Latin,...

tilapia

(Encyclopedia)tilapia təläˈpēə [key] or St. Peter's fish, a spiny-finned freshwater fish of the family Cichlidae, native chiefly to Africa and the Middle East. Fish of the genera Oreochromis, Sarotherodon, and...

Cleomenes III

(Encyclopedia)Cleomenes III, c.260–219 b.c., king of Sparta (235–221 b.c.). He was probably the most energetic king Sparta ever had, a conscious imitator of Agis III (see under Agis). In his determined effort t...