Columbia Encyclopedia

Search results

500 results found

brasses, monumental

(Encyclopedia)brasses, monumental, or sepulchral brasses, memorials to the dead, in use in churches on the Continent and in England in the 13th cent. and for several centuries following. They are usually set in the...

botany

(Encyclopedia)botany, science devoted to the study of plants. Botany, microbiology, and zoology together compose the science of biology. Humanity's earliest concern with plants was with their practical uses, i.e., ...

Smith, William

(Encyclopedia)Smith, William, 1769–1839, English geologist. Through direct observation as a canal-site surveyor, Smith made a systematic study of the geological strata of England and identified the fossils peculi...

animal

(Encyclopedia)animal, any member of the animal kingdom (kingdom Animalia), as distinguished from organisms of the plant kingdom (kingdom Plantae) and the kingdoms Fungi, Protista, and Monera in the five-kingdom sys...

Spectral Classes for Main Sequence Stars (table)

(Encyclopedia)Characteristics of Spectral Classes for Main Sequence Stars ...

John III, king of Portugal

(Encyclopedia)John III (John the Fortunate), 1502–57, king of Portugal (1521–57), son of Manuel I. His reign saw the Portuguese empire at its apogee. The great Asian possessions were extended by further conques...

time and motion study

(Encyclopedia)time and motion study, analysis of the operations required to produce a manufactured article in a factory, with the aim of increasing efficiency. Each operation is studied minutely and analyzed in ord...

Protista

(Encyclopedia)Protista prōˌtŏktĭsˈtə [key], in the five-kingdom system of classification, a kingdom comprising a variety of unicellular and some simple multinuclear and multicellular eukaryotic organisms. Pro...

Caesalpinus, Andreas

(Encyclopedia)Caesalpinus, Andreas ändrĕˈä chāzälpēˈnō [key], 1519–1603, Italian botanist and physiologist. He was physician to Pope Clement VIII. He described, in part and as a theory only, the circulat...

Cyclopean

(Encyclopedia)Cyclopean sīkləpēˈən [key], name often applied to a primitive method of prehistoric masonry construction, found throughout Greece, Italy, and the Middle East. The term is derived from Cyclopes, t...