Columbia Encyclopedia

Search results

500 results found

whetstone

(Encyclopedia)whetstone, natural or manufactured stone used as an abrasive solid to sharpen tools. It is used dry, with water, or with oil. Such a stone of the finer grade used with oil is usually called an oilston...

furnace

(Encyclopedia)furnace, enclosed space for the burning of fuel. There are many kinds of furnaces, the type depending upon the fuel and the use to which the heat produced within it is put. Most familiar are the furna...

Zagreb

(Encyclopedia)Zagreb zäˈgrĕb [key], Ger. Agram, Hung. Zágráb, city (2011 pop. 790,017), capital and largest city of Croatia, on the Sava River. Zagreb is Croatia's largest industrial, manufacturing, and financ...

Menéndez y Pelayo, Marcelino

(Encyclopedia)Menéndez y Pelayo, Marcelino märthālēˈnō mānānˈdĕth ē pāläˈyō [key], 1856–1912, Spanish literary historian and critic. His vast contribution to Spanish scholarship includes Historia d...

Lander, Richard Lemon

(Encyclopedia)Lander, Richard Lemon, 1804–34, English explorer. He accompanied Clapperton to the Niger River in 1827 and brought back Clapperton's journal, which was published (1829) with an account of Lander's r...

Rivne

(Encyclopedia)Rivne rĭvˈnə [key], Pol. Równe, Rus. Rovno, city (1990 est. pop. 229,000), capital of Rivne region, W Ukraine, on the Ustya River. It is a rapidly growing road and rail junction and an industrial ...

Pratt, Orson

(Encyclopedia)Pratt, Orson, 1811–81, Mormon apostle, b. Hartford, N.Y.; brother of Parley Parker Pratt. He joined (1830) the Church of Jesus Christ of Latter-day Saints and became (1835) an apostle. An eloquent s...

instrument-landing system

(Encyclopedia)CE5 Instrument-landing system (ILS), the most common instrument-landing approach system, uses two beams to guide an airplane. instrument-landing system (ILS), ground-based radio system designed to...

Gülen, Fethullah

(Encyclopedia)Gülen, Fethullah, 1941–, Turkish Islamic leader, founder of the Gülen movement, an educational, religious, and social Islamic organization that supported the Justice and Development party (AKP) in...

boycott

(Encyclopedia)boycott, concerted economic or social ostracism of an individual, group, or nation to express disapproval or coerce change. The practice was named (1880) after Capt. Charles Cunningham Boycott, an Eng...

Browse by Subject