Columbia Encyclopedia

Search results

500 results found

DES

(Encyclopedia)DES or diethylstilbestrol dīˌĕthˌəlstĭlbĕsˈtrôl [key], synthetic nonsteroid female sex hormone having the same physiological effects as estrogen. In the 1940s and 50s DES was mistakenly belie...

emotion

(Encyclopedia)emotion, term commonly and loosely used to denote individual, subjective feelings which dictate moods. In psychology, emotion is considered a response to stimuli that involves characteristic physiolog...

entomology

(Encyclopedia)entomology, study of insects, an arthropod class that comprises about 900,000 known species, representing about three fourths of all the classified animal species. Insects are studied because of their...

Irigoyen, Hipólito

(Encyclopedia)Irigoyen, Hipólito ēpōˈlētō ērēgōˈyān [key], 1850?–1933, Argentine political leader, president of the republic (1916–22, 1928–30). In 1896 he became the leader of the Radicals, a bour...

hip

(Encyclopedia)hip, in human anatomy, the joint separating the thigh bone from the pelvis, and the surrounding flesh. The adult hipbone consolidates three bones separate in youth: the ilium, ischium, and pubis. The ...

Glendale

(Encyclopedia)Glendale. 1 City (2020 pop. 248,325), Maricopa co., S central Ariz., adjacent to Phoenix; inc. 1910. It is located in a rich agricultural region ...

Moon Jae-in

(Encyclopedia)Moon Jae-in, 1953–, South Korean political leader, president of South Korea (2017–). The son of North Korean refugees, Moon studied law at Kyung Hee Univ. but was expelled twice for organizing dem...

Assad, Hafez al-

(Encyclopedia)Assad, Hafez al- äl-äsˈsäd [key], 1930–2000, president of Syria (1971–2000). He graduated (1955) from the Syrian Military Academy and advanced through the army ranks to become a general. He s...

Katmandu

(Encyclopedia)Katmandu or Kathmandu both: kätmändo͞oˈ [key], city (1991 pop. 421,258), capital of Nepal, central Nepal, c.4,500 ft (1,370 m) above sea level, in a fertile valley of the E Himalayas. It is the ad...

polycythemia

(Encyclopedia)polycythemia pŏlˌēsīthēˈmēə [key], condition characterized by an increase in the production of red blood cells, or erythrocytes, in the blood. Primary polycythemia, also called erythremia, or ...