Columbia Encyclopedia
Search results
500 results found
admiralty law
(Encyclopedia)admiralty law: see maritime law. ...biogenetic law
(Encyclopedia)biogenetic law, in biology, a law stating that the earlier stages of embryos of species advanced in the evolutionary process, such as humans, resemble the embryos of ancestral species, such as fish. T...Beer's law
(Encyclopedia)Beer's law [for August Beer], physical law stating that the quantity of light absorbed by a substance dissolved in a nonabsorbing solvent is directly proportional to the concentration of the substance...alternating current
(Encyclopedia)alternating current, abbr. AC, a flow of electric charge that undergoes periodic reverses in direction. In North America ordinary household current alternates at a frequency of 60 times per second. Se...Marsilius of Padua
(Encyclopedia)Marsilius of Padua märsĭlˈēəs, păˈdyo͞oə [key], d. c.1342, Italian political philosopher. He is satirically called Marsiglio. Little is known with certainty of his life except that he was rec...genealogy
(Encyclopedia)genealogy jēˌnēŏlˈəjē, –ălˈ–, jĕ– [key], the study of family lineage. Genealogies have existed since ancient times. Family lineage was originally transmitted through oral tradition and...tartar, dental
(Encyclopedia)tartar, dental, precipitate of saliva that accumulates around teeth at the gum line. Composed primarily of calcium salts, tartar forms as a hard brownish substance that irritates gums and causes them ...Concert of Europe
(Encyclopedia)Concert of Europe, term used in the 19th cent. to designate a loose agreement by the major European powers to act together on European questions of common interest. The concert emerged after the Congr...Richards, Theodore William
(Encyclopedia)Richards, Theodore William, 1868–1928, American chemist, b. Germantown, Pa., Ph.D. Harvard, 1888. Richards was a professor at Harvard from 1891 until his death in 1928. In 1914 he received the Nobel...Eminescu, Mihail
(Encyclopedia)Eminescu, Mihail mēhäēlˈ yĕmēnĕˈsko͝o [key], 1850–89, Romanian poet. Eminescu is considered the foremost Romanian poet of his century. His poems, lyrical, passionate, and revolutionary, wer...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 +-
