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(Encyclopedia) pole, in electricity and magnetism, point where electric or magnetic force appears to be concentrated. A single electric charge located at a point is sometimes referred to as an electric monopole. An ...
(Encyclopedia) electroconvulsive therapy in psychiatry, treatment of mood disorders by means of electricity; the broader term “shock therapy” also includes the use of chemical agents. The therapeutic possibiliti...
(Encyclopedia) endocarditis ĕnˌdōkärdīˈtĭs [key], bacterial or fungal infection of the endocardium (inner lining of the heart) that can be either acute or subacute. In the acute form the symptoms (fever, mala...
(Encyclopedia) fatigue, in physiology, inability to perform reasonable and necessary physical or mental activity. Muscle fatigue, for example, results when the contractile properties of muscle are reduced, and conti...
(Encyclopedia) wen, benign, slow-growing, painless cyst of the skin resulting from obstruction of the sebaceous gland ducts. It is frequently found on the scalp, ears, face, back, or scrotum. Usually no treatment is...
(Encyclopedia) Heleb hēˈlĕb [key], in the Bible, mighty man. An alternate form is Heled. He may be the captain Heldai in First Chronicles.
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(Encyclopedia) physical therapy or physiotherapy, treatment of disorders of the muscles, bones, or joints by means of physical agents—heat, light, water, manual and electronic massage, and exercise. Stroke, arthri...
(Encyclopedia) shell money, medium of exchange consisting of shells, the most widely distributed type of ancient currency. Shells are particularly useful as money because they may be strung in long strips of proport...
(Encyclopedia) deed, in law, written document that is signed and delivered by which one person conveys land or other realty (see property) to another. A deed may assure the extent of the conveying party's ownership ...
(Encyclopedia) distortion, in electronics, undesired change in an electric signal waveform as it passes from the input to the output of some system or device. In an audio system, distortion results in poor reproduct...