The name actinium originates from the Ancient Greek aktis, aktinos ( ακτίς, ακτίνος ), meaning beam or ray.

Owing to its strong radioactivity, actinium glows in the dark with a pale blue light, which originates from the surrounding air ionized by the emitted energetic particles.

The oxidation state + 3 originates from the 6d < sup > 1 </ sup > 7s < sup > 2 </ sup > electronic configuration of actinium, that is it easily donates 3 electrons assuming a stable closed-shell structure of the noble gas radon.

It originates from the Proto-Indo-European * ( syllabic nasal ) and is cognate with English un -.

The Great North Road originates from different routes close to Pueblo Bonito and Chetro Ketl.

Borrowing from the French Physiocrats the idea that all wealth originates with the land, making farming the only truly productive enterprise, agrarianism claims that agriculture is the foundation of all other professions.

Perfumes can still be found with ambergris around the world, it is collected from remains found at sea and on beaches, although its precursor originates from the sperm whale, which is a vulnerable species.

The bulk of the population originates from immigrants who came to the island since the colonial times, mainly of Bengali, Hindustani and Tamil backgrounds.

It originates from 17th century Dutch dialects spoken by the mainly-Dutch settlers of what is now South Africa, where it began to develop independently.

Irenaeus also refers to a succession of presbyters who preserve the tradition " which originates from the apostles ".

" The Christian ministry is not derived from the people but from the pastors ; a scriptural ordinance provides for this ministry being renewed by the ordination of a presbyter by presbyters ; this ordinance originates with the apostles, who were themselves presbyters, and through them it goes back to Christ as its source .".

The Agra canal originates from Okhla barrage, downstream of Nizamuddin bridge.

The term ' ballroom dancing ' is derived from the word ball, which in turn originates from the Latin word ballare which means ' to dance ' ( a ballroom being a large room specially designed for such dances ).

Meanwhile others have concluded that the name of the island originates from the Indo-European root * bhel meaning white, fair.

The name boron originates from the Arabic word buraq or the Persian word burah ; which are names for the mineral borax.

Barium's name originates from the alchemical derivative " baryta ", which itself comes from Greek βαρύς ( barys ), meaning " heavy.

In the case of Jamaica, recent analysis of the soils showed elevated levels of cadmium suggesting that the bauxite originates from recent Miocene ash deposits from episodes of significant volcanism in Central America.

The term Big Brother originates from George Orwell's novel, Nineteen Eighty-Four.

Its permanent collection, numbering some eight million works, is amongst the largest and most comprehensive in existence and originates from all continents, illustrating and documenting the story of human culture from its beginnings to the present.

date-Thomas Bayes originates Bayes ' theorem.

The much shorter Atbara River, which also originates in Ethiopia, joins the main Nile north of Khartoum between the fifth and sixth cataracts ( areas of steep rapids ) and provides about 14 % of the Nile's waters in Egypt.

Most knowledge about nuclear weapon urban blast destruction originates from studies of Little Boy at Hiroshima.

Talking about the origin of her work, Lin says " My work originates from a simple desire to make people aware of their surroundings and this can include not just the physical but the psychological world that we live in ".

In 1962, technetium-99 was isolated and identified in pitchblende from the Belgian Congo in extremely small quantities ( about 0. 2 ng / kg ); there it originates as a spontaneous fission product of uranium-238.

The second part ( concerning the caskets, known to English speakers from Shakespeare's The Merchant of Venice ) originates from about 800 AD from Joannes Damascensus's account of Barlaam and Josaphat and was written in Greek.

The melody of the Wilhelmus originates from a French catholic soldiers ' song titled " Autre chanson de la ville de Chartres assiégée par le prince de Condé " ( English: " Another song about the city of Chartres under siege by the Prince de Condé ").

Radiation from the central star heats the gases to temperatures of about 10, 000 K. The gas temperature in central regions is usually much higher than at the periphery reaching 16, 000 – 25, 000 K. The volume in the vicinity of the central star is often filled with a very hot ( coronal ) gas having the temperature of about 1, 000, 000 K. This gas originates from the surface of the central star in the form of the fast stellar wind.

The name " Orangutan Opening " originates from that game: the players had visited the zoo the previous day, and Tartakower had consulted an orangutan there about what move he should open with the next day.

On the slope below the first hairpin at about is an area of springs from which the Ticino river originates.

Hall Creek originates in the Owings vicinity, forms about half of the CDPs northern border and winds west until it empties into the Patuxent River.

The family name of the Hasmonean dynasty originates with the ancestor of the house, Ἀσαμωναῖος Asamoneus or Asmoneus ( see Josephus Flavius ), who is said to have been the great-grandfather of Mattathias, but about whom nothing more is known.

The concept of " ley lines " originates with Alfred Watkins, though Watkins also drew on earlier ideas about alignments, in particular the work of the English astronomer Norman Lockyer, who argued that ancient alignments might be oriented to sunrise and sunset at solstices.

The term localization originates in algebraic geometry: if R is a ring of functions defined on some geometric object ( algebraic variety ) V, and one wants to study this variety " locally " near a point p, then one considers the set S of all functions which are not zero at p and localizes R with respect to S. The resulting ring R * contains only information about the behavior of V near p. Cf.

The name originates from old English Windles-ore, or ' winch by the riverside ', a royal settlement, now called Old Windsor, located about from the modern town.

The term originates from the practice of covering a letter by folding a separate sheet about it to physically protect it and prevent infringement of confidentiality.

It originates in the mountains near Lake Albert and flows west for about to join the Mbomou River at Yakoma.

It originates in the Central Russian Upland, north of Belgorod, flows south-east through Ukraine ( Kharkiv, Donetsk and Luhansk Oblasts ) and then again through Russia ( Rostov Oblast ) to join the Don River, about from the Sea of Azov.

Most current academic knowledge about Hungarian royal garments originates from this modern research.

The knowledge about it today originates, however, from regions near mid Fennoscandia.

The longest source for Hubbard Glacier originates from its snout and is located at about at about, approximately west of Mt.

Most of the water flowing in the Avoca originates in the narrow upper portion of the catchment area, where rainfall averages about 600 mm per year, most of it falling in the winter and spring.

The character portrayed on the front of Zig-Zag products, colloquially known as the " Zig-Zag man ", originates from a folk story about a Zouave in the battle of Sevastopol.

The term caveman, sometimes used colloquially to refer to Neanderthal people, originates out of assumptions about the association between early humans and caves, most clearly demonstrated in cave painting or bench models.