Definition of Emanation. Meaning of Emanation. Synonyms of Emanation

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Definition of Emanation

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radium emanation
Radium Ra`di*um, n. [NL., fr. L. radius ray.] (Chem.) An intensely radioactive metallic element found (combined) in minute quantities in pitchblende, and various other uranium minerals. Symbol, Ra; atomic weight, 226.4. Radium was discovered by M. and Mme. Curie, of Paris, who in 1902 separated compounds of it by a tedious process from pitchblende. Its compounds color flames carmine and give a characteristic spectrum. It resembles barium chemically. Radium preparations are remarkable for maintaining themselves at a higher temperature than their surroundings, and for their radiations, which are of three kinds: alpha rays, beta rays, and gamma rays (see these terms). By reason of these rays they ionize gases, affect photographic plates, cause sores on the skin, and produce many other striking effects. Their degree of activity depends on the proportion of radium present, but not on its state of chemical combination or on external conditions.The radioactivity of radium is therefore an atomic property, and is explained as result from a disintegration of the atom. This breaking up occurs in at least seven stages; the successive main products have been studied and are called radium emanation or exradio, radium A, radium B, radium C, etc. (The emanation is a heavy gas, the later products are solids.) These products are regarded as unstable elements, each with an atomic weight a little lower than its predecessor. It is possible that lead is the stable end product. At the same time the light gas helium is formed; it probably consists of the expelled alpha particles. The heat effect mentioned above is ascribed to the impacts of these particles. Radium, in turn, is believed to be formed indirectly by an immeasurably slow disintegration of uranium.

Meaning of Emanation from wikipedia

- Emanation in the Eastern Orthodox Church, a belief found in Neoplatonism Emanation of the state, a legal term for a public service body Emanationism,...
- Emanationism is a theory in the cosmology or cosmogony of certain religious and philosophical systems, that posits the concept of emanation. According...
- The Emanation of the giant Albion Media related to Jerusalem The Emanation of the Giant Albion at Wikimedia Commons Record of Jerusalem The Emanation of...
- minutes, and called this gas "emanation" (from Latin: emanare, to flow out, and emanatio, expiration), and later "thorium emanation" ("Th Em"). In 1900, Friedrich...
- Emanate is the debut studio album by the French gothic metal band Penumbra, launched in 1999 originally under German label Serenades Records. "Intro"...
- Emanation of the state is a term used in European law to describe any body which provides a public service under the control of government. The term was...
- The Treatise on the Left Emanation (Hebrew: מאמר על האצילות השמאלית, romanized: Ma'amar al ha-Atzilut haSimalit) is a Kabbalistic text by Rabbi Isaac...
- oganesson is sometimes known as eka-radon (until the 1960s as eka-emanation, emanation being the old name for radon). In 1979, IUPAC ****igned the systematic...
- "This term that was originally used to describe the Buddha as a 'magical emanation' of enlightenment, is best translated as 'incarnation' or 'steadfast incarnation'...
- deliver robustly upon that ask." Composed by Sam Rivers. "Emanation Part I" – 31:09 "Emanation Part II" – 45:32 Sam Rivers – tenor saxophone, soprano saxophone...