# An Etymological Dictionary of Astronomy and AstrophysicsEnglish-French-Persian

## فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

### M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 5 Search : bounded
 bounded   کرانمند، کراندار   karânmand (#), karândâr (#)Fr.: limité   General: Having bounds or limits.Math.: Of a function, having a range with an upper bound and a lower bound.Adj. from → bound. bounded function   کریای ِ کرانمند، ~ کراندار   karyâ-ye karânmand, ~ karândârFr.: fonction bornée   The function y = f(x) in a given range of the argument x if there exists a positive number M such that for all values of x in the range under consideration the inequality | f(x) | ≤ M will be fulfilled. → unbounded function.→ bounded; → function. density-bounded H II region   ناحیه‌ی ِ H IIی ِ چگالی‌کرانمند   nâhiye-ye H II-ye cagâli karânmandFr.: bornée par la densité   An → H II region which lacks enough matter to absorb all → Lyman continuum photons of the → exciting star(s). In such an H II region a part of the ionizing photons escape into the → interstellar medium. See also → ionization-bounded H II region.→ density; → bounded; → region. ionization-bounded H II region   ناحیه‌ی ِ II H‌ی ِ یونش‌کران‌مند   nâhiye-ye H II-e yoneš-karânmandFr.: région H II bornée par ionisation   An H II region whose → exciting star(s) do not have enough → Lyman continuum photons to ionize the whole region. → density-bounded H II region.→ ionization; → bounded; → H II region. unbounded function   کریای ِ بیکران   karyâ-ye bikarânFr.: fonction non bornée   The function y = f(x) in a given range of the argument x if there is no number M such that for all values of x in the range under consideration the inequality | f(x) | ≤ M will be fulfilled. → bounded function.→ un-; → bounded function.