An Etymological Dictionary of Astronomy and AstrophysicsEnglish-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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 semiempirical   نیمه‌آروینی   nime-ârviniFr.: semi-empirique   Describing an → equation or → formula that results from a → combination of → experiment and → theory.→ semi-; → empirical. semiempirical binding energy formula   دیسول ِ نیمه‌آروینی ِ انرژی ِ بندش   disul-e nime-ârvini-ye kâruž-e bandešFr.: formule semi-empirique de l'énérgie de liaison   Same as → Weizsacker formula.→ semiempirical; → binding; → energy; → formula. semilatus rectum   نیم-تار ِ راست   nim-târ-e râstFr.: demi-latus rectum   Half the → latus rectum. For an ellipse, semilatus rectum has the expression l = b2/a, where a and b are semi-major and minor axes of the ellipse. It can also be expressed in terms of → eccentricity, e, as: l = a(1 - e2).→ semi-; → latus rectum. semiotic   نشانیک   nešânikFr.: sémiotique   1) Of or pertaining to → signs. 2) Of or pertaining to → semiotics.From Gk. semeiotikos "significant," also "observant of signs," adj. form of semeiosis "indication," from semeion "to signal, interpret a sign," from sema "sign." semiotics   نشانیک   nešânikFr.: sémiotique   The study of linguistic and non-linguistic signs and symbols used in natural and artificially constructed languages. Semiotics is usually divided into three branches: 1) → pragmatics, 2) → semantics, and 3) → syntax.→ semiotic; → -ics. semiregular variable   ورتنده‌ی ِ نیمه‌بسامان   vartande-ye nime-besâmanFr.: variable semirégulière   A type of giant or supergiant pulsating variable star, with intermediate or late spectra, showing noticeable periodicity in its light changes, accompanied or sometimes interrupted by various irregularities. Periods lie in the range from 20 to more than 2000 days, while the shapes of the light curve may be rather different and variable with each cycle. The amplitudes may be from several hundredths to several magnitudes (usually 1-2 magnitudes in the V filter). Examples are Betelgeuse, Antares, and Rasalgethi. Semiregular variables are classified in several subtypes: SRA, SRB, SRC, and SRD.→ semi-; → regular; → variable. senior   مهتر   mehtar (#)Fr.: 1) aîné; 2) supérieur; de dernière année   1) Older or elder (designating the older of two men bearing the same name, as a father whose son is named after him, often written as Sr. or sr. Compare → junior. 2a) Of higher or the highest rank or standing. 2b) (in American schools, colleges, and universities) Of or relating to students in their final year or to their class (Dictionary.com).M.E., from L. senior "older," comparative of senex (genitive senis) "old," from PIE root *sen- "old;" cf. Av. hana- "old;" O.Pers. hanata- "old age, lapse of time;" Skt. sanah "old;" Armenian hin "old;" Gk. enos "old, of last year;" Lith. senas "old," senis "an old man;" Goth. sineigs "old," O.Irish sen, O.Welsh hen "old." sjunioMehtar "greater, elder, governor," from meh "great, large, principla," cognate with L. mas, → Big Bang, + comparative suffix -tar. sensation   حسّکرد، حسّش   hess-kard, hessešFr.: sensation   The perception or awareness of stimuli through the senses.From M.L. sensationem (nominative sensatio), from L.L. sensatus "endowed with sense, sensible," from L. sensus "feeling," → sense.Hess-kard, hesseš, verbal nouns of hess kardin, hessidan, → sense. sense   ۱) حسّ؛ ۲) حسّ کردن، حسّیدن   1) hess; 2) hess kardan, hessidanFr.: 1) sens; 2) sentir   1) Any of the faculties, as sight, hearing, smell, taste, by which a person or animal obtains information about the physical world. 2) To perceive by the senses; become aware of.M.E., from O.Fr. sens, from L. sensus "perception, feeling, undertaking," from sentire "perceive, feel, know."Hess, loan from Ar. Hess kardan, hessidan infinitives from hess. sensibility   حسّ-پذیری   hess-paziriFr.: sensibilité   1) Capacity for sensation or feeling; responsiveness to sensory stimuli. 2) Physics: The realignment of a magnetic compass pointer along a magnetic field line after the pointer has been deflected.→ sensible; → -ity. sensible   حسّ-پذیر، حسّیدنی   hess-pazir, hessidaniFr.: sensible   That can be perceived by the senses.M.E., from O.Fr. from L. sensibilis "having feeling, perceptible by the senses," from sensus, p.p. of sentire "perceive, feel," → sense.Hess-pazir, from hess, → sense + pazir, → -able; hessidani, from hessidan (v.) + -i, → -able. sensible horizon   افق ِ حسّ-پذیر، ~ حسّیدنی   ofoq-e hess-pazir, ~ hessidaniFr.: horizon sensible   The great circle of the celestial sphere whose poles are the nadir and zenith. Same as astronomical horizon.→ sensible; → horizon. sensitive   حسّ‌مند   hessmandFr.: sensitif   Endowed with sensation; having perception through the senses. Responding to a stimulus.From M.Fr. sensitif, from M.L. sensitivus "capable of sensation," from L. sensus, p.p. of sentire "feel perceive," → sense.hessmand, from hess, → sense + -mand possession suffix. sensitivity   حسّ‌مندی   hessmandiFr.: sensibilité   1) The required brightness for an object in order to be detected by an observing instrument. A highly sensitive telescope can detect dim objects, while a telescope with low sensitivity can detect only bright ones. 2) Of a radio receiver or similar device, the minimum input signal required to produce a specified output signal having a specified signal-to-noise ratio.State noun from → sensitive. sensor   حسّگر   hessgarFr.: senseur   A device that receives and responds to a signal or stimulus (light, temperature, radiation level, or the like) by transmitting to a control equipment with the required degree of accuracy. → wavefront sensor.→ sense; → -or. sentence   سهان   sahânFr.: 1) phrase; 2) sentence   1) Grammar: A grammatical unit of one or more words that expresses an independent statement, question, request, command, exclamation, etc., and that typically has a subject as well as a predicate, as in John is here. or Is John here? (Dictionary.com). 2) Law: An authoritative decision; a judicial judgment or decree, especially the judicial determination of the punishment to be inflicted on a convicted criminal: Knowledgeable sources say that the judge will announce the sentence early next week (Dictionary.com).M.E., from O.Fr. sentence "judgment, decision; statement of authority," from L. sententia "thought, opinion; judgment," also "a thought expressed," from sentientem, p.p. of sentire "be of opinion, feel, perceive."Sahân, related to soxan, → speech and pâsox, → response; Mid.Pers saxwan "speech, word;" O.Pers. θanh- "to declare, say;" Av. səngh- (sanh-) "to declare;" Proto-Ir. *sanh- "to declare, explain;" cf. Skt. śams- "to praise, recite;" L. censere "to estimate, think; decide;" PIE *kens- "to announce, proclaim" (Cheung 2007). sentential   سهانی   sahâniFr.: phrastique   Pertaining to or of the nature of a → sentence.From L. sententi(a), → sentence, + → -al. sentential logic   گوییک ِ سهانی   guyik-e sahâniFr.: logique des propositions, ~ phrastique   Same as → propositional logic.→ sentential; → logic. separate   ۱) جدا؛ ۲) جدا کردن، جداییدن   1) jodâ (#); 2) jodâ kardan, jodidanFr.: 1) séparé; 2) séparer   1) Detached, disconnected, disjoined. 2) To set apart; disconnect; dissociate. separation   جدایی   jodâyi (#)Fr.: séparation   General: The act or process of separating. The place at which a division or parting occurs. Astro.: The angular distance between the two components of a visual binary or optical double star.M.E., from O.Fr. separation, from L. separationem, from separare "to pull apart," from se- "apart" + parare "make ready, prepare."Jodâyi state noun of jodâ "separate," from Mid.Pers. yut "separate, different;" Av. yuta- "separate, apart."