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Frankfurt

(Encyclopedia)Frankfurt äm mīn [key], city (2021 pop. 841,795), Hesse, central Germany, a port on the Mai...

Burgundy

(Encyclopedia)Burgundy bo͝orgôˈnyə [key], historic region, E France. The name once applied to a large area embracing several kingdoms, a free county (see Franche-Comté), and a duchy. The administrative region ...

opium

(Encyclopedia)opium, substance derived by collecting and drying the milky juice in the unripe seed pods of the opium poppy, Papaver somniferum. Opium varies in color from yellow to dark brown and has a characterist...

fern

(Encyclopedia)CE5 Life cycle of a fern fern, any plant of the division Polypodiophyta. Fern species, numbering several thousand, are found throughout the world but are especially abundant in tropical rain fores...

mountain climbing

(Encyclopedia)mountain climbing, the practice of climbing to elevated points for sport, pleasure, or research. Also called mountaineering, it is practiced throughout the world. Many mountain climbing clubs have...

Bohemia

(Encyclopedia)Bohemia, Czech Čechy, historic region (20,368 sq mi/52,753 sq km) and former kingdom, in W and central Czech Republic. Bohemia is bounded by Austria in the southeast, by Germany in the west and north...

North Atlantic Treaty Organization

(Encyclopedia)North Atlantic Treaty Organization (NATO), established under the North Atlantic Treaty (Apr. 4, 1949) by Belgium, Canada, Denmark, France, Great Britain, Iceland, Italy, Luxembourg, the Netherlands, N...

magic, in entertainment

(Encyclopedia)magic, in entertainment, the seeming manipulation and supernatural control of the natural world for the amusement and amazement of an audience. Entertainment magic can be divided into four main catego...

locomotive

(Encyclopedia)locomotive, vehicle used to pull a train of unpowered railroad cars. Richard Trevithick, a British engineer and inventor, built and operated (1803–4) the first successful steam engine locomotive f...

Roman art

(Encyclopedia)Roman art, works of art produced in ancient Rome and its far-flung provinces. The continued striving after three-dimensional illusionist effects revealed in the various phases of painting was dup...