Columbia Encyclopedia

(Encyclopedia) Lanfranc lănˈfrăngk [key], d. 1089, Italian churchman and theologian, archbishop of Canterbury (1070–89), b. Pavia. At first educated in civil law, he turned to theology and became a pupil of Ber...

(Encyclopedia) code, in law, in its widest sense any body of legal rules expressed in fixed and authoritative written form. A statute thus may be termed a code. Codes contrast with customary law (including common la...

(Encyclopedia) Ricardo, David, 1772–1823, British economist, of Dutch-Jewish parentage. At the age of 20 he entered business as a stockbroker and was so skillful in the management of his affairs that within five y...

(Encyclopedia) daylight saving time (DST), time observed when clocks and other timepieces are set ahead so that the sun will rise and set later in the day as measured by civil time. The amount of daylight on a given...

(Encyclopedia) Louisville lo͞oˈēvĭl [key], city (1990 pop. 269,063), seat of Jefferson co., NW Ky., at the Falls of the Ohio; inc. 1780. It is the largest city in Kentucky, a port of entry, and an important indu...

(Encyclopedia)  CE5 Position of the sun in the Milky Way Milky Way, the galaxy of which the sun and solar system are a part, seen as a broad band of light arching across the night sky from horizon to horizon; if ...

(Encyclopedia) space science, body of scientific knowledge as it relates to space exploration; it is sometimes also called astronautics. Space science draws on the conventional sciences of physics, chemistry, biolog...

(Encyclopedia)  CE5 The above Hertzsprung-Russell (H-R) diagram shows the track of stellar evolution for a typical star. After spending much of its life evolving toward or along the main sequence, the star becomes...

(Encyclopedia) Lehn, Jean-Marie zhäNˈ-märēˈ lĕN [key], 1939–, French chemist, Ph.D. Univ. of Strasbourg, 1963. A professor at Louis Pasteur Univ. (1970–78) and the Collège de France (1979–), Lehn did gr...

(Encyclopedia) life preserver, a personal flotation device (PFD) intended to keep the wearer afloat, particularly in case of shipwreck. A Type I PFD will keep even unconscious people afloat in a face–up position; ...