An Etymological Dictionary of Astronomy and Astrophysics
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فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 3 Search : production
pair production
  فر‌آورش ِ جفت   
farâvareš-e joft

Fr.: production de paires   

The creation of an → elementary particle and its → antiparticle from a → boson. For example, the formation of an → electron and a → positron in the interaction of high-energy → gamma ray photons, having at least 1.02 Mev, with an → atomic nucleus (γ → e- + e+). The → rest masses of the electron and positron being 0.51 MeV each, the excess energy will be carried away by these two particles. Pair production is the inverse process to → pair annihilation.

pair; → production

production
  فر‌آورش   
farâvareš (#)

Fr.: production   

The act of producing; creation; something that is produced; a product. → pair production

M.E., from O.Fr. production, from M.L. productionem, from L. productus, p.p. of producere "bring forth," from → pro- "forth" + ducere "to bring, lead."

Farâvareš "bringing forth," from far- "forth," → pro-, + âvareš, "bringing," verbal noun âvardan "to bring; to cause, produce" (Mid.Pers. âwurtan, âvaritan; Av. ābar- "to bring; to possess," from prefix ā- + Av./O.Pers. bar- "to bear, carry," bareθre "to bear (infinitive)," bareθri "a female that bears (children), a mother;" Mod.Pers. bordan "to carry;" Skt. bharati "he carries;" Gk. pherein; L. fero "to carry").

reproduction
  بازفر‌آورش   
bâzfarâvareš

Fr.: reproduction   

1) The act of reproducing or the condition or process of being reproduced.
2) Something reproduced, especially in the faithfulness of its resemblance to the form and elements of the original.
3) Biology: Any of various processes, either sexual or asexual, by which an animal or plant produces one or more individuals similar to itself (The FreeDictionary.com).

reproduce; → -tion.