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distillation

(Encyclopedia)distillation, process used to separate the substances composing a mixture. It involves a change of state, as of liquid to gas, and subsequent condensation. The process was probably first used in the p...

Albany, cities, United States

(Encyclopedia)Albany 1, 3, 4 ôlˈbənē; 2 ôlˈbĕnˌē, ălbāˈnē [key]. 1 Residential city (2020 pop. 20,271), Alameda co., W Calif., on the eastern shore of San Francisco...

pipe

(Encyclopedia)pipe, hollow structure, usually cylindrical, for conducting materials. It is used primarily to convey liquids, gases, or solids suspended in a liquid, e.g., a slurry. It is also used as a conduit for ...

Lüneburg

(Encyclopedia)Lüneburg lüˈnəbo͝orgər hīˈdə [key], a vast heath, SW of Lüneburg, lies between the Elbe and Aller rivers. It is a sandy region; sheep are raised and petroleum is produced. Parts of the heath...

Auckland

(Encyclopedia)Auckland ôkˈlənd [key], city (2021 pop. 1,630,092), N North Island, New Zealand. It is situated on an isthmus and is the largest urban region and chief port of the coun...

Harbin

(Encyclopedia)Harbin härˈbĭn [key], Rus. Kharbin, city (1994 est. pop. 2,505,200), capital of Heilongjiang prov., China, on the Songhua River. It is the major trade and communications center of central Manchuria...

dry cleaning

(Encyclopedia)dry cleaning, process of cleaning fabrics without water. Special solvents and soaps are used so as not to harm fabrics and dyes that will not withstand the effects of ordinary soap and water. Dry clea...

Constanţa

(Encyclopedia)Constanţa kônstänˈtsä [key], city, SE Romania, on the Black Sea. It is the administrative center ...

ethylene

(Encyclopedia)ethylene ĕthˈēn [key], H2C=CH2, a gaseous unsaturated hydrocarbon. It is the simplest alkene. Ethylene is colorless, has a faint odor, and has a slightly sweet taste; it melts at −169.4℃ and bo...

Belaúnde Terry, Fernando

(Encyclopedia)Belaúnde Terry, Fernando fārnänˈdō bāläo͞onˈdā tāˈrē [key], 1912–2002, president of Peru (1963–68, 1980–85). A successful architect, he served in the chamber of deputies (1945–48)...