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1) The act of regulating; the state of being regulated.
Verbal noun of → regulate.
A person or thing that regulates.
Agent noun of → regulate.
Regulus (α Leonis)
The brightest star in the constellation → Leo (V = 1.35). Regulus is approximately 77.5 light-years from Earth. It is a triple star system composed of a hot, bluish-white star with a pair of small, faint companions. The main star (Regulus A) is a main sequence of type B7, with a luminosity 140 times brighter than the Sun. Its equatorial rotation speed being 317 kilometers per second, the fast rotation distorts Regulus into an oblate spheroid with an equatorial diameter about 30 percent larger than the polar diameter. As a result, the poles, with a temperature of 15,400 Kelvin, are much hotter than the equator, which glows at 10,200 Kelvin.
L., literally "little king," diminutive of rex "king," related to regere "to keep straight, guide, lead, rule," from PIE base *reg- "to rule, to lead straight, to put right;" akin to Pers. râst "right, straight, correct," → right.
Širdel, literally "the Lion's heart,"
on the model of Ar. Qalb al-Asad (
1) The act or process of reionizing a gas; an instance of this action.
Fr.: époque de réionisation
An early epoch in the → Universe's history, but after the → recombination epoch, when the → first stars formed and their → ultraviolet light began to ionize the → neutral hydrogen gas that filled the Universe. The epoch of reionization is estimated to last between → redshifts of 12 to 6 (or when the Universe had between 2 and 5% of its age). Reionization marks the end of the → Dark Age in cosmic history.
Reissner-Nordstrom black hole
siyah câl-e Reissner-Nordström
Fr.: tou noir de Reissner-Nordström
Named after the German physicist Hans Jacob Reissner (1874-1967) in 1916 and the Finnish Gunnar Nordstrom (1881-1923) in 1918 independently worked out solutions different from those of Schwarzschild; → black hole.
To refuse to accept, take, consider, recognize, etc.
1) bâzânidan; 2) bâzâneš dâštan
Fr.: 1) établir un rapport entre, rapprocher; 2) se rapporter
1) (tr.) To find or show a connection between two or more people or things.
From O.Fr. relater, from L. relatus literally "carried, brought back," from re- "back, again" + latus "carried, brought," used as p.p. of referre, from re- "back, again" + ferre "carry, bear," cognate with Pers. bordan "to carry, bear" (Mid.Pers. burdan, O.Pers./Av. bar- "to bear, carry," barəθre "to bear (infinitive)," Skt. bharati "he carries," Gk. pherein, L. fero "to carry;" PIE base *bher- "to carry").
Bâzânidan, literally "to bring, lead back," from bâz- "back, again," → re- + ân stem of ânidan "to bring; to lead; to guide," cf. dialectical Kurd. ânin "to bring, to lead to," Tâleši ânân, ânoe "to bring together two edges;" Mid.Pers. ônidan, nidan, nay- "to lead; to bring;" O.Pers. nay- "to lead; to bring" anaya "leads;" Av. nay- "to lead; to bring," naiieiti "leads;" cf. Skt. nī- "to lead," náyati "leads," aorist s. anait.
P.p. of → relate.
General: A connection or association between two or more things.
Verbal noun of → relate.
Fr.: symbole de relation
Same as → predicate symbol.
Of or pertaining to relations.
relational data structure
sâxtâr-e dâdehâ-ye bâzâneši
Fr.: structure de données relationnelle
A type of data structure in which data are represented as tables in which no entry contains more than one value.
Fr.: système relationnel
A database management system in which a relational data structure is used.
(adj.): Existing or having its specific nature only by relation to
something else; not absolute or independent.
From M.E. relatif (n.), from O.Fr. relatif, from L.L. relativus "having reference or relation," from L. relatus, suppletive p.p. of referre "to refer," → relate.
Bâzâni, from bâzân- present stem of bâzânidan, → relate, + -i adj. suffix.
relative atomic mass
jerm-e atomi-ye bâzâni
Fr.: masse atomique relative
The ratio of the mass of an atom of the → chemical element to one-twelfth the mass of an atom of carbon-12. Because an element in nature is usually a mixture of isotopes, the relative atomic mass is also the weighted mean of the atomic masses of all the atoms in a particular sample of the element, weighted by isotopic abundance. In this sense, relative atomic mass was once known as → atomic weight.
Fr.: azimut relatif
Fr.: datation relative
A method of dating that can only tell us whether an event or object is older or younger than another event or object. In geology, different layers of rock are compared to determine an ordered sequence of events in geologic history. In contrast to → absolute dating, relative dating cannot give the actual age of a rock. See also → stratigraphy.
Fr.: densité relative
The ratio of the density of a substance to the density of a given reference material. For a solid or liquid, it is the density (at 20°C) relative to the maximum density of water (at 4°C). For a gas is its density divided by the density of hydrogen (or sometimes dry air) at the same temperature and pressure. Also called → specific density.