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interval

(Encyclopedia)interval, in music, the difference in pitch between two tones. Intervals may be measured acoustically in terms of their vibration numbers. They are more generally named according to the number of step...

hives

(Encyclopedia)hives (urticaria), rash consisting of blotches or localized swellings (wheals) of the skin, caused by an allergic reaction (see allergy). The swelling is caused by distention of the skin capillaries a...

hand, foot, and mouth disease

(Encyclopedia)hand, foot, and mouth disease (HFMD), infectious viral disease that most commonly occurs in children under five years of age. Symptoms include fever, poor appetite, and a sore throat, followed by pain...

forgery, in criminal law

(Encyclopedia)forgery, in criminal law, willful fabrication or alteration of a written document with the intent to injure the interests of another in a fraudulent manner. The crime may be committed even though the ...

flat foot

(Encyclopedia)flat foot, condition of the human foot in which the entire sole rests on the ground when the person is standing. When the foot muscles are weakened or the ligaments are strained and stretched, the arc...

microwave oven

(Encyclopedia)microwave oven, device that uses microwaves to rapidly cook food. The microwaves cause water molecules in the food to vibrate, producing heat, which is distributed through the food by induction. A spe...

Mecklenburg Declaration of Independence

(Encyclopedia)Mecklenburg Declaration of Independence mĕkˈlənbûrgˌ [key], resolution alleged to have been proclaimed at Charlotte, N.C., by the citizens of Mecklenburg co. on May 20, 1775. Although North Carol...

wiki

(Encyclopedia)wiki [Hawaiian, wikiwiki = fast], a website designed to permit the development of information resources by creating hyperlinked webpages using software that accessed through a web browser. First d...

pen-based computer

(Encyclopedia)pen-based computer, computer that uses software to enable it to accept handwriting or drawing as a form of input. A stylus, which may contain special electronic circuitry, may be used to write on the ...

incantation

(Encyclopedia)incantation, set formula, spoken or sung, for the purpose of working magic. An incantation is normally an invocation to beneficent supernatural spirits for aid, protection, or inspiration. It may also...