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pound

(Encyclopedia)pound, abbr. lb, unit of either mass or force in the customary system of English units of measurement. Two different pounds of mass are defined, one in the avoirdupois system of units and one in the T...

hydrogen peroxide

(Encyclopedia)hydrogen peroxide, chemical compound, H2O2, a colorless, syrupy liquid that is a strong oxidizing agent and, in water solution, a weak acid. It is miscible with cold water and is soluble in alcohol an...

Incheon

(Encyclopedia)Incheon or Inchon ĭnˈchän, Korean ēnchən [key], city, Gyeonggi (Kyonggi) prov., NW South Korea, on the Yellow Se...

inlaying

(Encyclopedia)inlaying, process of ornamenting a surface by setting into it material of different color or substance, usually in such a manner as to preserve a continuous plane. Inlay is employed in connection with...

carbonate

(Encyclopedia)carbonate kärˈbənātˌ, –nət [key], chemical compound containing the carbonate radical or ion, CO3−2. Most familiar carbonates are salts that are formed by reacting an inorganic base (e.g., a ...

Mayotte

(Encyclopedia)Mayotte mīŏtˈ [key], island (2015 est. pop. 240,000), 144 sq mi (374 sq km), French departmental collectivity, Indian Ocean, in the Comoro chain. Mamoudzou is the capital and largest city. The land...

acetylene

(Encyclopedia)acetylene ĕthˈīn [key], HC≡CH, a colorless gas. It melts at −80.8℃ and boils at −84.0℃. Offensive odors often noted in commercial acetylene are due to impurities. Acetylene forms explosiv...

refining

(Encyclopedia)refining, any of various processes for separating impurities from crude or semifinished materials. It includes the finer processes of metallurgy, the fractional distillation of petroleum into its comm...

Cremona

(Encyclopedia)Cremona krĭmōˈnə, Ital. krāmôˈnä [key], city, capital of Cremona prov., Lomba...

Trent , city, Italy

(Encyclopedia)Trent, Ital. Trento, Latin Tridentum, city (1991 pop. 101,545), capital of Trentino–Alto Adige and of Trent prov., N Italy, on the Adige River and on the road to the Brenner Pass. It is an industria...