Columbia Encyclopedia

Search results

202 results found

Tyre

(Encyclopedia)Tyre tīr [key], ancient city of Phoenicia, S of Sidon. It is the present-day Sur in Lebanon, a small town on a peninsula jutting into the Mediterranean from the mainland of Syria S of Beirut. It was ...

foot, in anatomy

(Encyclopedia)CE5 Foot foot, in anatomy, terminal part of the land vertebrate leg. The term is also applied to any invertebrate appendage used either for locomotion or attachment, e.g., the legs of insects and ...

waters, territorial

(Encyclopedia)waters, territorial, all waters within the jurisdiction, recognized in international law, of a country. Certain waters by their situation are controlled by one nation; these include wholly enclosed in...

Norwegian literature

(Encyclopedia)Norwegian literature, early flourished as Old Norse literature. In 1380, Norway was united with Denmark, and Danish culture began a long dominance in Norway; Norwegian culture sank to its nadir in the...

retrograde motion

(Encyclopedia)retrograde motion, in astronomy, real or apparent movement of a planet, dwarf planet, moon, asteroid, or comet from east to west relative to the fixed stars. The most common direction of motion in the...

Kent, county, England

(Encyclopedia)Kent, county (1991 pop. 1,485,600), 1,525 sq mi (3,950 sq km), SE England. It lies between the Thames estuary and the Strait of Dover. The county town is Maidstone, and the county is divided into 12 a...

stellar populations

(Encyclopedia)stellar populations, two broadly contrasting distributions of star types that are characteristic of different parts of a galaxy. Population I stars are young, recently formed stars, whereas population...

performance art

(Encyclopedia)performance art, multimedia art form originating in the 1970s in which performance is the dominant mode of expression. Perfomance art may incorporate such elements as instrumental or electronic music,...

meiosis

(Encyclopedia)CE5 Formation of sperm cells through meiosis meiosis mīŏˈsĭs [key], process of nuclear division in a living cell by which the number of chromosomes is reduced to half the original number. Meio...

thyroid gland

(Encyclopedia)CE5 Thyroid gland thyroid gland, endocrine gland, situated in the neck, that secretes hormones necessary for growth and proper metabolism. It consists of two lobes connected by a narrow segment ca...

Browse by Subject