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

## فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

### M. Heydari-Malayeri    -    Paris Observatory

Homepage

Number of Results: 5 Search : mapping
 bijective mapping   همتایش ِ دوشانی   hamtâyeš-e došâniFr.: application bijective   Same as → bijection.→ bijective; → mapping. conformal mapping   همتایش ِ همدیس   hamtâyeš-e hamdisFr.: application conforme   A continuous mapping u = f(x) of a domain D in an n-dimensional Euclidean space (n≥ 2) into the n-dimensional Euclidean space is called conformal at a point x0∈ D if it has the properties of constancy of dilation and preservation of angles at this point.→ conformal; → mapping. eclipse mapping   نقشه‌برداری ِ گرفتی   naqše bardâri-ye gereftiFr.: cartographie par éclipse   A method for imaging the continuum light distributions of the → accretion disks of → cataclysmic variable stars. It relies on geometrical information contained in eclipse light curves. An alternative method is → Doppler tomography.→ eclipse; → mapping. mapping   ۱) نقشه‌برداری؛ ۲) همتایش   1) naqšé bardâri; 2) hamtâyešFr.: 1) cartographie; 2) application   1) The process of producing a map. 2) Math.: The operation of establishing → relations between two → sets in which one element of the second set is assigned to each element of the first set, as the expression y = x2. Same as → function.Verbal noun from → map + → -ing.1) Naqšé bardâri;, → map. 2) Hamtâyeš, verbal noun of hamtâyidan literally "folding together, relating units together," from ham- "together," → com-, + tâ "fold, plait, ply; piece, part; single, a single unit of a pair," also a multiplicative suffix; Mid.Pers. tâg "piece, part," + infinitive suffix -idan. surjective mapping   همتایش ِ برشانی   hamtâyeš-e baršâniFr.: application surjective   Same as → surjection.→ surjective; → mapping.