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INTERVAL

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Originally appearing in Volume V14, Page 714 of the 1911 Encyclopedia Britannica.
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INTERVAL , a space See also:

left between the component parts of a continuous See also:series, a pause in continuous See also:action, a See also:period of See also:time intervening between two other points of time or See also:chronological sequence of events. The See also:Lat. intervallum, from which the See also:English word has come through the See also:French, originally meant a space between the palisades on a rampart (vallum), or between the rampart and the tents of the legionaries. In medical See also:language " interval " is used of the intervening periods between attacks or paroxysms of a disease, particularly of the periods of a rational or normal See also:condition of mind sometimes experienced by an insane See also:person, a " lucid interval "; this phrase frequently occurs in legal documents from the 13th to the 15th centuries, non compos mentis sed gaudet lucidis intervallis. In See also:music " interval " ex-presses the distance in See also:pitch between two or more musical sounds (see Music). Interval, or more commonly " intervale," is used, particularly in See also:North See also:America, as a See also:geographical See also:term for a See also:low-lying See also:tract of See also:land along the See also:banks of See also:rivers, frequently overflowed by freshets, or more loosely for any low level land shut in by hills. This particular application, as also the See also:form " intervale," is due to a confusion of the termination of the word with " vale," valley.

End of Article: INTERVAL

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