An Etymological Dictionary of Astronomy and AstrophysicsEnglish-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

Homepage

Number of Results: 7 Search : closed
 closed   بسته   basté (#)Fr.: fermé   Having boundaries; limited. → closed curve; → closed Universe.Closed, p.p. of close, from M.E. clos, from O.Fr., from clore "to shut," from L. clausus, p.p. of claudere "to close."Basté p.p.of bastan, from Mid.Pers. bastan/vastan "to bind, shut," Av./O.Pers. band- "to bind, fetter," banda- "band, tie," Skt. bandh- "to bind, tie, fasten," PIE *bhendh- "to bind," cf. Ger. binden, E. bind, → band. closed curve   خم ِ بسته   xam-e basté (#)Fr.: courbe fermée   A curve whose ends are joined.→ closed; → curve. closed space   فضایِ بسته   fazâ-ye basté (#)Fr.: espace fermé   A bounded space the surface of which has the property that if one travels in any direction upon it without changing direction, one will end up back to the departure point. An example is a sphere. Triangles which lie on the surface of a closed space will have a sum of angles which is greater than 180°. An closed space has a positive → curvature. See also → closed Universe, → open space.→ closed; → space. closed system   راژمان ِ بسته   râžmân-e bastéFr.: système fermé   Thermodynamics: A system which can exchange energy with the surroundings but not matter. → open system; → isolated system.→ closed; → system. closed Universe   گیتی ِ بسته   giti-ye basté (#)Fr.: Univers fermé   A → cosmological model, first formulated by Friedmann and Lemaître, in which the Universe has a → finite size and lifetime and → space has a → positive → curvature, e.g. a Universe with a density greater than the → critical density. See also → closed space.→ closed; → Universe. closed wff    wff بسته   wff bastéFr.: FBF fermée   In → predicate logic, a → wff with no → free occurrences of any → variable. Also called a → sentence.→ closed; → wff. quasi-closed subsystem   زیر-راژمان ِ چونان‌بسته   zir-râžmân-e cunân-bastéFr.: sous-système quasi-fermé   A subsystem if its intrinsic energy is large, on the average, with respect to the energy of its interaction with other portions of the → closed system.→ quasi-; → closed; → subsystem.