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Possible definitions for earings

bearing
In machine construction, a connector (usually a support) that permits the connected members to rotate or to move in a straight line relative to one another. Often one of the members is fixed, and the bearing acts as a support for the moving member. Most bearings support rotating shafts against either transverse (radial) or thrust (axial) loads. To minimize friction, the contacting surfaces in a bearing may be separated by a film of oil or gas; these are sliding bearings (see oil seal). In ball bearings and roller bearings, the surfaces are separated by balls or rollers.


Eakins
U.S. painter. After early training at the É cole des Beaux-Arts in Paris (1866-70), he spent most of his life in his native Philadelphia. He reinforced his study of the live model at the Pennsylvania Academy of Fine Arts by studying anatomy at a medical college. The Gross Clinic (1875), depicting a surgical operation, was too realistic for his contemporaries but is now seen as his masterpiece. In 1876 he began teaching at the Pennsylvania Academy, but was forced to resign in 1886 for working with nude models in mixed classes. In addition to numerous portraits, he painted boating and other outdoor scenes that reflect his fascination with the human body in motion. His interest in locomotion led him to the sequential photography of E. Muybridge, and he began producing photographs and sculpture as well as paintings. He was the outstanding U.S. painter of the 19th cent.


hearing
In law, a trial, or more specifically the formal examination of a cause before a judge according to the laws of the land. In popular usage the term often refers to a formal proceeding before a magistrate prior to the inception of a case, and in particular to a preliminary hearing, where a magistrate or judge determines whether the evidence justifies proceeding with the case.

Physiological process of perceiving sound. Hearing entails the transformation of sound vibrations into nerve impulses, which travel to the brain and are interpreted as sounds. Members of two animal groups, arthropods and vertebrates, are capable of sound reception. Hearing enables an animal to sense danger, locate food, find mates, and, in more complex creatures, engage in communication (see animal communication). All vertebrates have two ears, often with an inner chamber housing auditory hair cells (papillae) and an outer eardrum that receives and transmits sound vibrations. Localization of sound depends on the recognition of minute differences in intensity and in the time of arrival of the sound at the two ears. Sound reception in mammals is generally well developed and often highly specialized, as in bats and dolphins, which use echolocation, and whales and elephants, which can hear mating calls from tens or even hundreds of miles away. Dogs and other canines can similarly detect faraway sounds. The human ear can detect frequencies of 20-20,000 hertz (Hz); it is ...

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