Columbia Encyclopedia

Search results

500 results found

San Germán

(Encyclopedia)San Germán sän hārmänˈ [key], town (1990 pop. 34,962), SW Puerto Rico, in an agricultural area producing coffee, sugar, tobacco, and fruit. The original village was founded in 1511, but it was ea...

San Juan del Sur

(Encyclopedia)San Juan del Sur dĕl so͞or [key], town, SW Nicaragua, on the Pacific Ocean. It was the Pacific terminus of the transit route across the isthmus during the California gold rush and is today connected...

Santa Cruz de Barahona

(Encyclopedia)Santa Cruz de Barahona bäräōˈnä [key], city (1993 pop. 61,600), SW Dominican Republic, on Neiba Bay, an arm of the Caribbean Sea. Santa Cruz de Barahona is a provincial capital and a port. It has...

Durban

(Encyclopedia)Durban dûrˈbən [key], city, now part and seat of eThekwini metropolitan municipality, KwaZulu-Natal prov., E South Africa, on Natal Bay, an arm of the Indian Ocean. Durban is an industrial center, ...

urinalysis

(Encyclopedia)urinalysis yo͝orˌənălˈĭsĭs [key], clinical examination of urine for the purpose of medical diagnosis. Urine is initially examined for such characteristics as color, odor, and specific gravity. ...

aloe

(Encyclopedia)aloe ălˈō [key] [Gr.], any species of the genus Aloe, succulent perennials of the family Lilaceae (lily family), native chiefly to the warm dry areas of S Africa and also to tropical Africa, but cu...

Franklin, Rosalind Elsie

(Encyclopedia)Franklin, Rosalind Elsie, 1920–58, English molecular biologist and chemist, grad. Newnham College, Cambridge (1941). She spent most of the war years (1942–45) working for the British Coal Utilisat...

green flash

(Encyclopedia)green flash or emerald flash, a refractive phenomenon of the atmosphere where the top edge of the setting (or, less frequently, rising) sun will momentarily turn emerald green. The green color lasts f...

atomic number

(Encyclopedia)atomic number, often represented by the symbol Z, the number of protons in the nucleus of an atom, as well as the number of electrons in the neutral atom. Atoms with the same atomic number make up a c...

Yonath, Ada E.

(Encyclopedia)Yonath, Ada E., 1939–, Israeli crystallographer, Ph.D. Weizmann Institute of Science, Rehovat, Israel, 1968. Yonath has been a researcher and professor at the Weizmann Institute since 1970. She was ...