Columbia Encyclopedia
Search results
177 results found
Carnot, Nicolas Léonard Sadi
(Encyclopedia)Carnot, Nicolas Léonard Sadi kärnōˈ [key], 1796–1832, French physicist, a founder of modern thermodynamics; son of Lazare N. M. Carnot. His famous work on the motive power of heat (Réflexions ...drainage, in agriculture
(Encyclopedia)drainage, in agriculture, the removal of excess water from the soil, either by a system of surface ditches, or by underground conduits if required by soil conditions and land contour. Diesel or centri...Qiqihar
(Encyclopedia)Qiqihar tsēˈtsēˈhärˈ, chēˈchēˈhär [key], city (1994 est. pop. 1,104,100), S central Heilongjiang prov., China, a port on the Nen River near the Da Hinggan Mts. It is connected by rail with ...Otto, Nikolaus August
(Encyclopedia)Otto, Nikolaus August nēˈkōlous ouˈgo͝ost ôˈtō [key], 1832–91, German engineer. He was coinventor (1867) of an internal-combustion engine, and he devised (1876) the four-stroke Otto cycle, w...Daimler, Gottlieb
(Encyclopedia)Daimler, Gottlieb dāmˈlər, Ger. gôtˈlēp dīmˈlər [key], 1834–1900, German engineer, inventor, and pioneer automobile manufacturer. His improvements in the internal-combustion engine, made in...cooling system
(Encyclopedia)cooling system: see air conditioning; internal-combustion engine; refrigeration. ...antifreeze
(Encyclopedia)antifreeze, substance added to a solvent to lower its freezing point. The solution formed is called an antifreeze mixture. Antifreeze is typically added to water in the cooling system of an internal-c...Grantham
(Encyclopedia)Grantham grănˈtəm, –thəm [key], town, in the Parts of Kesteven, Lincolnshire, E central England, on ...Bedford, town, England
(Encyclopedia)Bedford, town and borough, central England, on the Ouse River. It is an important industrial center; diesel engines, pumps, turbines, agricultural machi...ferry
(Encyclopedia)ferry, vessel providing passage over a river, lake, or other body of water for passengers, vehicles, or freight; the term is also applied to the place where the crossing is made and, by extension, to ...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
- Places +-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-