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Kano, family or school of Japanese painters

(Encyclopedia)Kano käˈnō [key], family or school of Japanese painters. Kano Masanobu, c.1434–c.1530, the forerunner of the school, was attached to the shogun Yoshimasa's court. He painted landscapes, birds, an...

Peter I, duke or count of Brittany

(Encyclopedia)Peter I (Pierre Mauclerc), d. 1250, duke or count of Brittany (1213–37). The son of Robert II, count of Dreux, he married Alix, half-sister and heiress of Arthur I duke of Brittany. His surname, mea...

functional group

(Encyclopedia)CE5 functional group, in organic chemistry, group of atoms within a molecule that is responsible for certain properties of the molecule and reactions in which it takes part. Organic compounds are f...

polymorphism

(Encyclopedia)polymorphism, of minerals, property of crystallizing in two or more distinct forms. Calcium carbonate is dimorphous (two forms), crystallizing as calcite or aragonite. Titanium dioxide is trimorphous;...

Epsom salts

(Encyclopedia)Epsom salts, common name for magnesium sulfate heptahydrate, MgSO4·7H2O, a water-soluble bitter-tasting compound that occurs as white or colorless needle-shaped crystals. It was first prepared from t...

Kraft, Adam

(Encyclopedia)Kraft or Krafft, Adam both: äˈdäm kräft [key], c.1455–1509, German sculptor of Nuremberg. He moved from an ornamental late Gothic style toward clarity, symmetry, and a powerful use of rounded, o...

white alder

(Encyclopedia)white alder, deciduous shrub or small tree (Clethra alnifolia) native to the Appalachians, named for the resemblance of its leaves to those of the unrelated true alders. It is cultivated as an ornamen...

watercress

(Encyclopedia)watercress, hardy perennial European herb (Nasturtium officinale) of the family Cruciferae (or Brassicaceae; mustard family), widely naturalized in North America, found in or around water. Often culti...

carbon cycle

(Encyclopedia)CE5 Carbon cycle carbon cycle, in biology, the exchange of carbon between living organisms and the nonliving environment. Inorganic carbon dioxide in the atmosphere is converted by plants into sim...

belt

(Encyclopedia)belt, girdle or band worn around the body, originally to confine loose garments. Later the girdle became a decorative accessory and was used to carry belongings. The Greeks and Romans wore ornamental ...