Definition of Purgatorius. Meaning of Purgatorius. Synonyms of Purgatorius

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Definition of Purgatorius

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Index expurgatorius
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 Purgatorius from wikipedia

- relatives of primates, and Purgatorius is considered to be the progenitor to primates). The oldest remains of Purgatorius date back to ~65.921 mya, or...
- The pan-primates together with the Dermoptera form the Primatomorpha. Purgatorius may not be a primate as an extinct sister to the rest of the Dermoptera...
- and colugos. The earliest fossil species often ascribed to Euarchonta (Purgatorius coracis) dates to the early Paleocene, 65 million years ago, but one...
- geological stratum that marks the Cretaceous–Paleogene extinction event and Purgatorius, sometimes considered a stem-primate, appears no more than 300,000 years...
- and Africa during the tropical conditions of the Paleocene and Eocene. Purgatorius is the genus of the four extinct species believed to be the earliest...
- around 74–63 (mya). The earliest possible primate/proto-primate may be Purgatorius, which dates back to Early Paleocene of North America ~66mya. The oldest...
- Purgatoriidae is a basal plesiadapiform family that includes, Purgatorius and Ursolestes. Purgatoriids are thought to represent the earliest members of...
- possibly as early as 1170−1180. Previously, the Latin adjective purgatorius, as in purgatorius ignis (cleansing fire) existed, but only then did the noun purgatorium...
- Palaeotupaia sivalicus from India and Ptilocercus kylin from Yunnan. Purgatorius Shrew-faced squirrel Helgen, K.M. (2005). "Order Scandentia". In Wilson...
- Order †Leptictida ?Order †Taeniodonta ?Family †Didymoconidae ?Genus †Purgatorius ?Genus †Protungulatum ?Genus †Oxyprimus Infraclass Placentalia sensu...