Columbia Encyclopedia

Search results

500 results found

bursitis

(Encyclopedia)bursitis bərsīˈtəs [key], acute or chronic inflammation of a bursa, or fluid sac, located close to a joint. In response to irritation or injury the bursa may become inflamed, causing pain, restric...

chimpanzee

(Encyclopedia)chimpanzee, an ape, genus Pan, of the equatorial forests of central and W Africa. Smaller populations are also found in the savannas of the same regions. The common chimpanzee, Pan troglodytes, lives ...

atomic mass

(Encyclopedia)atomic mass, the mass of a single atom, usually expressed in atomic mass units (amu). Most of the mass of an atom is concentrated in the protons and neutrons contained in the nucleus. Each proton or n...

Maitland, William

(Encyclopedia)Maitland, William (Maitland of Lethington), 1528?–1573, Scottish statesman. In 1559 he deserted the regent Mary of Guise and joined the revolt of the Protestant nobles. When Mary Queen of Scots retu...

Lukashenko, Aleksandr Grigoryevich

(Encyclopedia)Lukashenko, Aleksandr Grigoryevich əlyĭksänˈdər grĭgôrˈyəvĭch lo͞okäshĕnˈkô [key], Belarusian Alyaksandr Ryhoravich Lukashenka, 1954–, Belarusian politician, president of Belarus (199...

Halley's comet

(Encyclopedia)Halley's comet or Comet Halley hălˈē, hāˈlē [key], periodic comet named for Edmond Halley, who observed it in 1682 and identified it as the one observed in 1531 and 1607. Halley did not live to ...

Herndon, William Henry

(Encyclopedia)Herndon, William Henry, 1818–91, friend, law partner, and biographer of Abraham Lincoln, b. Greensburg, Ky. In 1844 he became the junior member of the Springfield, Ill., law firm of Lincoln and Hern...

giardiasis

(Encyclopedia)giardiasis jēärdīˈəsĭs, järdīˈəsĭs [key], infection of the small intestine by a protozoan, Giardia lamblia. Giardia, which was named after Alfred M. Giard, a French biologist, is spread via...

Illuminati

(Encyclopedia)Illuminati ĭlo͞oˌmĭnāˈtī, –näˈtē [key] [Lat.,=enlightened], rationalistic society founded in Germany soon after 1776 by Adam Weishaupt, a professor at Ingolstadt, having close affinities w...

Ireland, John, American Roman Catholic prelate

(Encyclopedia)Ireland, John īrˈlənd [key], 1838–1918, American Roman Catholic prelate, first archbishop of St. Paul, Minn. (1888–1918), b. Co. Kilkenny, Ireland. He emigrated to St. Paul in childhood. He was...