Columbia Encyclopedia

Search results

144 results found

sundial

(Encyclopedia)sundial, instrument that indicates the time of day by the shadow, cast on a surface marked to show hours or fractions of hours, of an object on which the sun's rays fall. Although any object whose sha...

Scythia

(Encyclopedia)Scythia sĭthˈēə [key], ancient region of Eurasia, extending from the Danube on the west to the borders of China on the east. The Scythians flourished from the 8th to the 4th cent. b.c. They spoke ...

Assurbanipal

(Encyclopedia)Assurbanipal äˈsho͝or– [key], d. 626? b.c., king of ancient Assyria (669–633 b.c.), son and successor of Esar-Haddon. The last of the great kings of Assyria, he drove Taharka out of Egypt and f...

buttress

(Encyclopedia)CE5 Types of buttresses buttress, mass of masonry built against a wall to strengthen it. It is especially necessary when a vault or an arch places a heavy load or thrust on one part of a wall. In t...

Balkh

(Encyclopedia)Balkh bälkh [key], town, N Afghanistan, on a dried-up tributary of the Amu Darya River. One of the world's oldest cities, it is the legendary birthplace of the prophet Zoroaster. Because it was locat...

Bronze Age

(Encyclopedia)Bronze Age, period in the development of technology when metals were first used regularly in the manufacture of tools and weapons. Pure copper and bronze, an alloy of copper and tin, were used indiscr...

week

(Encyclopedia)week, period of time shorter than the month, commonly seven days. The ancient Egyptians used a 10-day period, as did the French under the short-lived French Revolutionary calendar. In many regions a f...

Elam

(Encyclopedia)Elam ēˈləm [key], ancient country of Asia, N of the Persian Gulf and E of the Tigris, now in W Iran. A civilization seems to have been established there very early, probably in the late 4th millenn...

Sumerian and Babylonian art

(Encyclopedia)Sumerian and Babylonian art, works of art and architecture created by the Sumerian and Babylonian peoples of ancient Mesopotamia, civilizations which had an artistic tradition of remarkable antiquity,...

infantry

(Encyclopedia)infantry, body of soldiers who fight in an army on foot and are equipped with hand-carried weapons, in contradistinction originally to cavalry and other branches of an army. Infantry has often been di...

Browse by Subject