Columbia Encyclopedia

Search results

73 results found

metallurgy

(Encyclopedia)metallurgy mĕtˈəlûrˌjē, science and technology of metals and their alloys. Modern metallurgical research is concerned with the preparation of radioactive metals, with obtaining metals economical...

bronze, in metallurgy

(Encyclopedia)bronze, in metallurgy, alloy of copper, tin, zinc, phosphorus, and sometimes small amounts of other elements. Bronzes are harder than brasses. Most are produced by melting the copper and adding the de...

civilization

(Encyclopedia)civilization, culture with a relatively high degree of elaboration and technical development. The term civilization also designates that complex of cultural elements that first appeared in human histo...

Biringuccio, Vannocio

(Encyclopedia)Biringuccio, Vannocio vän-nôˈchō bērēn-go͞otˈchō [key], 1480–c.1539, Italian metallurgist. He is best known for his practical manual of metallurgy, De la pirotechnia (1540, tr. 1942). As a ...

slag

(Encyclopedia)slag: see metallurgy.

Ageo

(Encyclopedia)Ageo äˈgāō [key], city, Saitama prefecture, central Honshu, Japan. It was an agricultural center, producing raw silk and sake, until the growth of the metallurgy, mach...

Borinage

(Encyclopedia)Borinage bôrēnäzhˈ [key], region, Hainaut prov., S Belgium, surrounding Mons and extending to the French border. Traditionally a coal-mining district, most of the mines have been closed. Glass-mak...

Pontoise

(Encyclopedia)Pontoise pôNtwäzˈ [key], city (1990 pop. 28,463), capital of Val-d'Oise dept., N central France. It is the site of a technical school. The metallurgy and chemical industries are important. A “new...

smelting

(Encyclopedia)smelting, in metallurgy, any process of melting or fusion, especially to extract a metal from its ore. Smelting processes vary in detail depending on the nature of the ore and the metal involved, but ...

Browse by Subject