Columbia Encyclopedia

Search results

500 results found

pyrotechnics

(Encyclopedia)pyrotechnics pīˌrōtĕkˈnĭks, pīˌrə– [key], technology of making and using fireworks. Gunpowder was used in fireworks by the Chinese as early as the 9th cent., and it was they who brought fir...

Erlenmeyer, Richard A. C. E.

(Encyclopedia)Erlenmeyer, Richard A. C. E. ĕrˈlənmīˌər [key], 1825–1909, German chemist. He studied at Giessen under Justus von Liebig and at Heidelberg under Friedrich Kekulé, both German chemists. Erlenm...

calendar

(Encyclopedia)calendar [Lat., from Kalends], system of reckoning time for the practical purpose of recording past events and calculating dates for future plans. The calendar is based on noting ordinary and easily o...

Husein, Muslim leader

(Encyclopedia)Husein –sānˈ [key], c.626–680, Muslim leader, second son of Ali and Fatima (daughter of Muhammad). With the assassination of his father in 661 and the acquiescence of his brother Hasan, the cali...

solstice

(Encyclopedia)solstice sŏlˈstĭs [key] [Lat.,=sun stands still], in astronomy, either of the two points on the ecliptic that lie midway between the equinoxes (separated from them by an angular distance of 90°). ...

Doom

(Encyclopedia)Doom or Doomsday: see Judgment Day. ...

Hebrides, the

(Encyclopedia)Hebrides, the hĕbˈrĭdēz [key], Western Isles, or Western Islands, group of more than 50 islands, W and NW Scotland. Less than a fifth of the islands are inhabited. The Outer Hebrides (sometimes al...

Hellenistic civilization

(Encyclopedia)Hellenistic civilization. The conquests of Alexander the Great spread Hellenism immediately over the Middle East and far into Asia. After his death in 323 b.c., the influence of Greek civilization con...

Young, Brigham

(Encyclopedia)Young, Brigham brĭgˈəm [key], 1801–77, American religious leader, early head of the Church of Jesus Christ of Latter-Day Saints, b. Whitingham, Vt. Brigham Young was perhaps the greatest molder o...
 

Browse by Subject