Columbia Encyclopedia

Search results

500 results found

money

(Encyclopedia)money, term that refers to two concepts: the abstract unit of account in terms of which the value of goods, services, and obligations can be compared; and anything that is widely established as a mean...

colligative properties

(Encyclopedia)colligative properties, properties of a solution that depend on the number of solute particles present but not on the chemical properties of the solute. Colligative properties of a solution include fr...

oxidation and reduction

(Encyclopedia)oxidation and reduction, complementary chemical reactions characterized by the loss or gain, respectively, of one or more electrons by an atom or molecule. Originally the term oxidation was used to re...

spectrum

(Encyclopedia)CE5 Dispersion of white light by a triangular prism spectrum, arrangement or display of light or other form of radiation separated according to wavelength, frequency, energy, or some other propert...

Norris, John

(Encyclopedia)Norris, John, 1657–1711, English clergyman and philosopher. As the most prominent follower of Malebranche he wrote, in exposition of that philosopher's system, An Essay towards the Theory of the Ide...

associationism

(Encyclopedia)associationism, theory that all consciousness is the result of the combination, in accordance with the law of association, of certain simple and ultimate elements derived from sense experiences. It wa...

Kölliker, Albert von

(Encyclopedia)Kölliker, Albert von älˈbĕrt fən köˈlĭkər [key], 1817–1905, Swiss physiologist and histologist. He was professor of physiology and of microscopic and comparative anatomy at Würzburg from 1...

Saha, Meghnad

(Encyclopedia)Saha, Meghnad māgnädˈ säˈhä [key], 1893–1956, Indian physicist. He was a professor at Allahabad Univ. from 1923 to 1938 and a professor and physics department head at Calcutta Univ. from 1938....

Bédier, Joseph

(Encyclopedia)Bédier, Joseph zhôzĕfˈ bādyāˈ [key], 1864–1938, French authority on medieval literature. He was professor at the Collège de France and a member of the French Academy. His reconstruction, in ...

Torquemada, Juan de

(Encyclopedia)Torquemada, Juan de hwän dā tôrkāmäˈᵺä [key], 1388–1468, Spanish churchman, cardinal of the Roman Catholic Church; an uncle of Tomás de Torquemada. He entered (1403) the Dominican order an...