Columbia Encyclopedia

Search results

500 results found

heating

(Encyclopedia)CE5 Typical warm-air heating system heating, means of making a building comfortably warm relative to a colder outside temperature. Old, primitive methods of heating a building or a room within it ...

Vatel, François

(Encyclopedia)Vatel, François fräNswäˈ vätĕlˈ [key], fl. 17th cent., French chef, famous in the time of Louis XIV. Mme Marie de Sévigné, in her letters, speaks of him as the chef of the prince of Condé an...

uniformitarianism

(Encyclopedia)uniformitarianism, in geology, doctrine holding that changes in the earth's surface that occurred in past geologic time are referable to the same causes as changes now being produced upon the earth's ...

hedging

(Encyclopedia)hedging, in commerce, method by which traders use two counterbalancing investment strategies so as to minimize any losses caused by price fluctuations. It is generally used by traders on the commoditi...

Veda

(Encyclopedia)Veda vāˈdə, vēˈdə [key] [Sanskrit,=knowledge, cognate with English wit, from a root meaning know], oldest scriptures of Hinduism and the most ancient religious texts in an Indo-European language...

calculator

(Encyclopedia)calculator or calculating machine, device for performing numerical computations; it may be mechanical, electromechanical, or electronic. The electronic computer is also a calculator but performs other...

space medicine

(Encyclopedia)space medicine, study of the medical and biological effects of space travel on living organisms. The principal aim is to discover how well and for how long humans can withstand the extreme conditions ...

fuel

(Encyclopedia)fuel, material that can be burned or otherwise consumed to produce heat. The common fuels used in industry, transportation, and the home are burned in air. The carbon and hydrogen in fuel rapidly comb...

velocity

(Encyclopedia)velocity, change in displacement with respect to time. Displacement is the vector counterpart of distance, having both magnitude and direction. Velocity is therefore also a vector quantity. The magnit...

Induráin, Miguel

(Encyclopedia)Induráin, Miguel (Miguel Angel Induráin Larraya) mēgĕlˈ ängˈkhāl ĭndo͞oräˈēn läˈräyä [key], 1964–, Spanish bicycle racer. In a career lasting from 1985 to 1997, he dominated Europea...