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disk plow

(Encyclopedia)disk plow or disk, farm implement employing a row or rows of concave circular steel disks that cut and pitch the soil in a way somewhat similar to a moldboard plow. It can be used in many situations w...

greenhouse

(Encyclopedia)greenhouse, enclosed glass house used for growing plants in regulated temperatures, humidity, and ventilation. A greenhouse can range from a small room carrying a few plants over the winter, to an imm...

Piranesi, Giovanni Battista

(Encyclopedia)Piranesi, Giovanni Battista jōvänˈnē bät-tēˈstä pēränāˈzē [key], 1720–78, Italian etcher and architect. The greater part of his life was spent in Rome, where he made etchings of the bui...

Young, Edward

(Encyclopedia)Young, Edward, 1683–1765, English poet and dramatist. After a disappointing political life he took holy orders about 1724, serving for a time as the royal chaplain before becoming rector of Welwyn i...

Betti, Ugo

(Encyclopedia)Betti, Ugo o͞oˈgō bətˈtē [key], 1892–1953, Italian dramatist and poet. He was a judge by profession. His earliest published works were two volumes of poetry (1922 and 1932), but he is remember...

Rey, Margret

(Encyclopedia)Rey, Margret: see Rey, H. A.

Nottingham

(Encyclopedia)Nottingham, city and unitary authority (1991 pop. 273,300), central England, on the Trent River. A center of rail and road transportation, the city's most important industries are the manufacture of l...

Mackenzie

(Encyclopedia)Mackenzie, river, c.1,120 mi (1,800 km) long, issuing from Great Slave Lake, Northwest Territories, Canada, and flowing generally NW to the Arctic Ocean through a great delta. Between Great Slave Lake...

Saint Paul's Cathedral

(Encyclopedia)Saint Paul's Cathedral, London, masterpiece of Sir Christopher Wren and one of the finest church designs of the English baroque. It stands at the head of Ludgate Hill, where, according to tradition, a...

Rogers, Richard George, Baron Rogers of Riverside

(Encyclopedia)Rogers, Richard George, Baron Rogers of Riverside, 1933–2021, British architect, b. Florence, Italy, Architectural Association, London (A.A. Dipl....