Interval
in music, the distance between any two sounds. Intervals when confined within the octave are simple, when they exceed it they are compound. The interval of a whole tone, as from C to D, is called a second, of a whole tone and a semitone, as from c to E flat, a minor third, etc.
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Intestacy
the state of a person who has died without testing, i. e., without leaving a will. If no will, or deed equivalent to a will, is executed, or if a will executed is invalid from defect of form, then an intestacy occurs, and the law provides an heir or next of kin because of the failure of the owner himself to do so.
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Intestines
the entrails; the portion of the digestive apparatus inferior in position to the stomach. The intestines consist of three coats, an outer one (the peritoneum), an inner or mucous membrane, and an intermediate muscular coat. There are two intestines, the large and the small one. The large intestine extends from the termination of the ileum to the anus. It is about 5 or 6 feet long, or about one-fifth that of the intestinal canal. Its diameter is from 2½ inches to 1½ inches. It is divided into the cæcum, with its vermiform appendix, the colon, and the rectum. The small intestine commences at the pylorus, winds into many convolutions, and terminates in the large intestine. In the adult it is about 20 feet in length. It is arbitrarily divided into three parts-viz., the duodenum, the jejunum, and the ileum. It constitutes four-fifths of the whole intestines, the larger making up the other fifth. They are used to aid in assimilating the food after digestion, and convey forward the excrementitious matter.
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Intoxication
the state produced by the excessive use of alcoholic liquids. In the first stage the circulation of the blood becomes somewhat more rapid, and all the functions of the body and mind are exercised with more freedom. In the next degree consciousness is still more weakened; the ideas lose their connection; vertigo, double vision, and other discomforts supervene; till finally the excitement partakes of the nature of delirium, and is followed by a more or less prolonged stupor, often by dangerous coma. INTRANSIGENTES (-trän'sē-hentāz) (Spanish, "the irreconcilables"), the name given to the Extreme Left in the Spanish Cortes, and afterward to the Extreme Republican party in Spain, corresponding with the Communists in France. In the latter sense it was first used in the Spanish troubles which arose when Amadeus resigned the throne in 1873.
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Intrenchment
any work that fortifies a post against the attack of an enemy. The word is generally used to denote a ditch or trench, usually a part of a system of trenches.
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Intrepid
THE, the name given to the Tripolitan ketch captured by Decatur, in which he and 74 brave American tars, on the night of Feb. 16, 1804, entered the harbor of Tripoli, and boarded the American warship "Philadelphia," which the Tripolitan pirates had captured, and after a fierce struggle with her turbaned defenders killed or drove them into the sea.
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Introduction
in music, a kind of preface or prelude to a following movement. Formerly the introduction was only to be found in large musical works, such as symphonies, overtures, oratorios, etc.; but now it is found in every rondo, fantasia, polonaise, waltz, etc., on the principle that it is considered abrupt to begin all at once, without preparing the audience for what is to come. In earlier operas introduction is applied to the piece of music with which they begin, and which immediately follows the overture. In some cases the overture and introduction are united, the composition going on without any formal pause. The introductions are also important and characteristic parts of several of the symphonies of Beethoven and Schumann. In Biblical science, a department, the objects of which are stated by Prof. K. A. Credner, D. D., to be five-fold: (1) The origin of the individual books received into the sacred canon; (2) the history of the canon and the origin of the collection of Scripture books; (3) the history of the several translations, etc.; (4) the history of the text, and (5) the history of interpretation. It is divided into introduction to the Old and introduction to the New Testament.
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Intrusive Rocks
in geology, of igneous origin which 3,000. have rocks forced their way through crevices or rents in sedimentary strata, or have broken them up.
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Intuition
in ordinary language, the act of looking on; a sight, a view; a regard, an aim. In philosophy, a term borrowed from scholastic theology, where it signifies a knowledge of God supernaturally obtained, and by consequence, superior to knowledge obtained by ordinary methods. In the French and Scotch schools all beliefs and judgments presenting themselves spontaneously to the mind, with irresistible evidence, but without the assistance of reasoning or reflection, are called intuitions, axioms, first principles, principles of common sense, or self-evident truths, and the recognition of these intuitions is the fundamental doctrine of intuitionalism. In the school of Kant the word intuition is nearly synonymous with perception. INUNDATION. See FLOODS.
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Intuitional World
Formerly known as the Buddhic Plane, is in the theosophic scheme the fourth world, and from it come intuitions. (See Theosophy , Solar System , and Intuition).
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Invalides
the name of a French soldiers' home. In 1670, during the administration of Louvois, Louis XIV., by whose wars the number of invalids was greatly augmented, determined to found a magnificent establishment to receive them. The foundations were laid in 1670, and the main building was finished about 1706. Several additions were made at various times to the buildings of the hotel; and the whole edifice now covers 16 acres of ground, enclosing 15 courts. The church or dome was built by Mansard, and finished in 1706. All soldiers who are actually disabled by their wounds, or who have served 30 years, and obtained a pension, are entitled to the privileges of this institution. The hotel can accommodate 6,000 men, who all wear the same costume.
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