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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...

Bears Ears National Monument

(Encyclopedia)Bears Ears National Monument, 201,876 acres (81,696 hectares), SE Utah; est. 2016. Named for prominent twin buttes, the national monument as proclaimed by President Obama was more than six times large...

red lead

(Encyclopedia)red lead, bright red to orange-red powder, also called minium, that is used in the manufacture of storage batteries, lead glass, and red pigments; a paint made with red lead is commonly used to protec...

formaldehyde

(Encyclopedia)formaldehyde fôrmălˈdəhīdˌ [key], HCHO, the simplest aldehyde. It melts at −92℃, boils at −21℃, and is soluble in water, alcohol, and ether; at STP, it is a flammable, poisonous, colorle...

Bessemer process

(Encyclopedia)CE5 Bessemer converter Bessemer process bĕsˈəmər [key] [for Sir Henry Bessemer], industrial process for the manufacture of steel from molten pig iron. The principle involved is that of oxidati...

anglesite

(Encyclopedia)anglesite ăngˈgləsīt [key], pale green, blue, yellow-to-white, or colorless mineral, a sulfate of lead, PbSO4, that is formed by oxidation of galena, crystallizing in the orthorhombic system and o...

Theorell, Axel Hugo Teodor

(Encyclopedia)Theorell, Axel Hugo Teodor, 1903–82, Swedish biochemist, M.D. Caroline Institute, Stockholm, 1930. The results of an illness caused him to abandon his career as a physician, and he began to teach at...

Brighton and Hove

(Encyclopedia)Brighton and Hove, city and unitary authority and district, SE England. It was formed by the merger of the boroughs of Brighton and Hove in 1997, and be...

Leopold and Loeb

(Encyclopedia)Leopold and Loeb lōb [key], notorious American murderers defended by Clarence Darrow in 1924. The gregarious, dominating Richard A. Loeb (1905–1936) and the shy, submissive Nathan F. Leopold, Jr. (...

Philemon and Baucis

(Encyclopedia)Philemon and Baucis, in Greek mythology, Phrygian husband and wife. When Zeus and Hermes visited earth as men, only Philemon and Baucis offered them hospitality. As a reward they were saved from a pun...