tondâ-ye dur šodan
Fr.: vitesse d'éloignement
The velocity with which an object moves away from another object or a reference point.
Fr.: théorème de réciprocité
1) General: Any theorem that expresses various reciprocal relations for the
behavior of some physical systems, in which input and output can be
interchanged without altering the response of the system to a given
An act of recognizing or the state of being recognized.
Verbal noun of → recognize.
1) To identify as something or someone previously seen, known, etc.
1) paszadan; 2) paszani
Fr.: 1) reculer; 2) recul
1) To draw back; to rebound or fly back.
M.E. recoilen, reculen, from O.Fr. reculer "to go back, recede, retreat," from V.L. *reculare, from L. → re- "back" + culus "backside."
Paszadan, from pas-, → back-, + zadan "to strike, beat, dash against," from Mid.Pers. zatan, žatan, O.Pers./Av. jan-, gan- "to strike, hit, smite, kill" (jantar- "smiter"), Skt. han- "to strike, beat" (hantar- "smiter, killer"), cf. Gk. theinein "to strike," L. fendere "to strike, push," Gmc *gundjo "war, battle;" PIE *gwhen- "to strike, kill."
1) The process or result of combining again.
Verbal noun of → recombine.
Fr.: coefficient de recombinaison
A measure of the specific rate at which oppositely charged ions join to form neutral particles. It is given by the rate at which those ions recombine, divided by the product of the densities of the two species involved.
Fr.: continuum de recombinaison
A recombination radiation that is continuous over a range of frequencies. Same as → continuum emission.
Fr.: époque de recombinaison
Same as → recombination era.
Fr.: ère de recombinaison
The era some 380,000 years after the → Big Bang (at a → redshift of about 1,100), when the Universe had cooled sufficiently so that protons and electrons combined to form → neutral hydrogen in a process called → recombination. The temperature was about 3,000 K and the ionization fraction low enough for Universe to become transparent to light. Consequently matter and radiation decouple from one another because no further → scattering of the radiation occurs. The observation of the → cosmic microwave background radiation provides a means of studying the Universe at the recombination era. Also called recombination epoch and → decoupling era.
Fr.: raie de recombinaison
An → emission line in a spectrum produced in an → H II region when a free electron combines with an ionized atom to form a neutral atom or an ion of lower → ionization stage. Same as → free-bound emission.
Fr.: rayonnement de recombinaison
Radiation produced when a free electron in a plasma is captured by an ionized atom.
Fr.: taux de recombinaison
Fr.: temps de recombinaison
Fr.: recombiner, se recombiner
To combine or put together again. To undergo or cause recombination.
âštidan, âšti kardan (#)
1) To cause (a person) to accept or be resigned to something not desired.
Infinitive of → reconciliation.
1) An act of reconciling, as when former enemies agree to an amicable truce.
From O.Fr. reconciliacion and directly from L. reconciliationem noun of action from p.p. stem of reconciliare. "to bring together again; regain," from → re- "again" + concilare "make friendly"
Âšti, from Mid.Pers. âštêh "peace;" Av. āšti- "peace, treaty of peace; agreement," āxšta-- "pacified, appeased."
1) vâgat; 2) vâgatidan
Fr.: 1) enregistrement; 2) enregistrer
1a) An act of recording.
From M.E. recorden "to repeat, to report," from O.Fr. recorder "to get by heart," from L. recordari "to call to mind, remember," from → re- "back, again" + cor "heart" (as the metaphoric seat of memory, as in learn by heart).
Vâgat literally "to take, seize, to take back," cf. Ger. aufnehmen "to record," from nehmen "to take;" E. "take down" "to note down;" Šahmirzâdi vagatan "to take," Lâhijâni vitan "to take, seize," Aftari veytu "to take," Delijâni bitan "to take," var of Tâleši gate, Târi gata/ger, Sorxeyi gil, variants of gereftan, → concept.
Râstgušé, from râst, → right, + gušé "corner, angle;" Mid.Pers. gôšak "corner."
Having the base or section in the form of a rectangle. Shaped like a rectangle.
Adj. of → rectangle.