Definition of RERUM. Meaning of RERUM. Synonyms of RERUM

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Definition of RERUM

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Index rerum
3. A table for facilitating reference to topics, names, and the like, in a book; -- usually alphabetical in arrangement, and printed at the end of the volume. 4. A prologue indicating what follows. [Obs.] --Shak. 5. (Anat.) The second digit, that next pollex, in the manus, or hand; the forefinger; index finger. 6. (Math.) The figure or letter which shows the power or root of a quantity; the exponent. [In this sense the plural is always indices.] Index error, the error in the reading of a mathematical instrument arising from the zero of the index not being in complete adjustment with that of the limb, or with its theoretically perfect position in the instrument; a correction to be applied to the instrument readings equal to the error of the zero adjustment. Index expurgatorius. [L.] See Index prohibitorius (below). Index finger. See Index, 5. Index glass, the mirror on the index of a quadrant, sextant, etc. Index hand, the pointer or hand of a clock, watch, or other registering machine; a hand that points to something. Index of a logarithm (Math.), the integral part of the logarithm, and always one less than the number of integral figures in the given number. It is also called the characteristic. Index of refraction, or Refractive index (Opt.), the number which expresses the ratio of the sine of the angle of incidence to the sine of the angle of refraction. Thus the index of refraction for sulphur is 2, because, when light passes out of air into sulphur, the sine of the angle of incidence is double the sine of the angle of refraction. Index plate, a graduated circular plate, or one with circular rows of holes differently spaced; used in machines for graduating circles, cutting gear teeth, etc. Index prohibitorius [L.], or Prohibitory index (R. C. Ch.), a catalogue of books which are forbidden by the church to be read; the index expurgatorius [L.], or expurgatory index, is a catalogue of books from which passages marked as against faith or morals must be removed before Catholics can read them. These catalogues are published with additions, from time to time, by the Congregation of the Index, composed of cardinals, theologians, etc., under the sanction of the pope. --Hook. Index rerum [L.], a tabulated and alphabetized notebook, for systematic preservation of items, quotations, etc.

Meaning of RERUM from wikipedia

- Rerum may refer to : Lacrimae rerum is the Latin for tears for things. Rerum novarum is an encyclical issued by Pope Leo XIII on May 16, 1891. Rerum Moscoviticarum...
- Rerum novarum (from its incipit, with the direct translation of the Latin meaning "of revolutionary change"), or Rights and Duties of Capital and Labor...
- De rerum natura (Latin: [deː ˈreːrʊn naːˈtuːraː]; On the Nature of Things) is a first-century BC didactic poem by the Roman poet and philosopher Lucretius...
- Lacrimae rerum (Latin: [ˈlakrɪmae̯ ˈreːrũː]) is the Latin phrase for "tears of things." It derives from Book I, line 462 of the Aeneid (c. 29–19 BC),...
- poet and philosopher. His only known work is the philosophical poem De rerum natura, a didactic work about the tenets and philosophy of Epicureanism...
- Rerum italicarum scriptores ab anno æræ christianæ quingentesimo ad millesimumquingentesimum is a collection of texts which are sources for Italian history...
- natural science doctorate Doctor rerum naturalium (Dr. rer. nat.) and the economics and social science doctorate Doctor rerum politicarum (Dr. rer. pol.)....
- Silva rerum (plural: silvae rerum, Latin for "forest of things"; also Polonized as sylwa, sometimes described as home chronicle) was a multi-generational...
- "Felix, qui potuit rerum cognoscere causas" is verse 490 of Book 2 of the "Georgics" (29 BC), by the Latin poet Virgil (70 - 19 BC). It is literally translated...
- the Oxford Latin Dictionary, the full phrase's origin is attributed to De rerum natura, in which Lucretius uses the term as an epithet for an unnamed earth...