Columbia Encyclopedia

Search results

500 results found

mks system

(Encyclopedia)mks system, system of units of measurement based on the metric system and having the meter of length, the kilogram of mass, and the second of time as its fundamental units. Other mks units include the...

Aco, Michel

(Encyclopedia)Aco or Accault, Michel both: mēshĕlˈ äkōˈ [key], fl. 1680–1702, French explorer. He became La Salle's lieutenant, being favored by that explorer because of his courage, prudence, and wide acqu...

Salam, Abdus

(Encyclopedia)Salam, Abdus, 1926–96, Pakistani physicist. After attending Government College at Lahore, he received a Ph.D. from Cambridge (1952). He taught in Lahore for three years before returning to England, ...

Ursins, Marie Anne de la Trémoille, princesse des

(Encyclopedia)Ursins, Marie Anne de la Trémoille, princesse des märēˈ än də lä trāmwäˈyə prăNsĕsˈ dāzürsănˈ [key], 1642–1722, French noblewoman and unofficial diplomat. After the death of her fi...

resistance, in electricity

(Encyclopedia)resistance, property of an electric conductor by which it opposes a flow of electricity and dissipates electrical energy away from the circuit, usually as heat. Optimum resistance is provided by a con...

states of matter

(Encyclopedia)states of matter, forms of matter differing in several properties because of differences in the motions and forces of the molecules (or atoms, ions, or elementary particles) of which they are composed...

monism

(Encyclopedia)monism mōˈnĭzəm [key] [Gr.,=belief in one], in metaphysics, term introduced in the 18th cent. by Christian von Wolff for any theory that explains all phenomena by one unifying principle or as mani...

Moore, Michael

(Encyclopedia)Moore, Michael, 1954–, American documentary filmmaker, author, and activist, b. Flint, Mich. A highly personal, populist, and frequently controversial and polarizing documentary filmmaker, he made h...

black hole

(Encyclopedia)black hole, in astronomy, celestial object of such extremely intense gravity that it attracts everything near it and in some instances prevents everything, including light, from escaping. The term was...

Slim Helú, Carlos

(Encyclopedia)Slim Helú, Carlos cärˈlōs slēm hēlo͞oˈ [key], 1940–, Mexican business executive. The son of a Lebanese Maronite immigrant who became a successful merchant and real-estate investor, Slim was ...