An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 12948 Search : far
semiempirical
  نیمه‌آروینی   
nime-ârvini

Fr.: 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 bandeš

Fr.: formule semi-empirique de l'énérgie de liaison   

Same as → Weizsacker formula.

semiempirical; → binding; → energy; → formula.

semilatus rectum
  نیم-تار ِ راست   
nim-târ-e râst

Fr.: 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   
nešânik

Fr.: 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   
nešânik

Fr.: 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-besâman

Fr.: 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." sjunio

Mehtar "greater, elder, governor," from meh "great, large, principla," cognate with L. mas, → Big Bang, + comparative suffix -tar.

sensation
  حسّکرد، حسّش   
hess-kard, hesseš

Fr.: 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, hessidan

Fr.: 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-paziri

Fr.: 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, hessidani

Fr.: 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, ~ hessidani

Fr.: horizon sensible   

The great circle of the celestial sphere whose poles are the nadir and zenith. Same as astronomical horizon.

sensible; → horizon.

sensitive
  حسّ‌مند   
hessmand

Fr.: 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   
hessmandi

Fr.: 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   
hessgar

Fr.: 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   
sahân

Fr.: 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   
sahâni

Fr.: phrastique   

Pertaining to or of the nature of a → sentence.

From L. sententi(a), → sentence, + → -al.

sentential logic
  گوییک ِ سهانی   
guyik-e sahâni

Fr.: logique des propositions, ~ phrastique   

Same as → propositional logic.

sentential; → logic.

separate
  ۱) جدا؛ ۲) جدا کردن، جداییدن   
1) jodâ (#); 2) jodâ kardan, jodidan

Fr.: 1) séparé; 2) séparer   

1) Detached, disconnected, disjoined.
2) To set apart; disconnect; dissociate.

separation.

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."

<< < -es -iv -ti 21- A r abe abs abs acc acc acc act act ada adi adu aff age alc Alf ali all alp alt ama amp ana ang ang ann ano ant ant ape apo app aps arc Arg ari art ass ast ast ast atm ato att aur aut axi B r bac Bal Bar Bar Bay bec Ber Bet Bie bij bin bio bis bla bla blu blu bol Bor bou Bra bre bro Bug C-s cal Cam can car Car Cas cat cav cel cen cer Cha cha cha che cho cir cir cir cla clo clo clu coa coe coh col col col com com com com com com com com com con con con con con con con con con con con coo cor cor cor cos cos cos Cou cou Cra Cre cri cro cub cur cyc cyl dar dat daw de- Deb dec dec dee def deg del Den dep der det deu dew dic dif dif dil dip dir dis dis dis dis dis div dog Dop dou dra dua dus dwa dyn e-m ear ecl eco eff ein Ein elb ele ele ele ele Els emi emp ene enr env epi equ equ Eri est Euc eva evo exc exc exh exo exp exp ext ext f-n Fah fam fau fee Fer fib fil fin fir fix fle flu foc for for for fra fre fre fri fun fuz gal gal gal Gan gau GCN gen geo geo geo geo Gl glo gra gra gra gra gra gre gro GW1 hab hal han HAR haz hea hel hel Hen Her heu Hig Hil hol hop hor hou Hub Hum Hyd hyd hyd hyp hys ide ign ima imp imp inc inc ind ine inf inf inf inh INP ins ins int int int int Int int int int inv ion iri irr iso iso iso Jea Jos Jun K2 Kep key kin Kol lag lam Lan lar las lav lea leg len lev lig lim lin lin lin lis lob loc log lor low lum lun lun Lym Mac mag mag mag mag mag mai Mal mar mas mas mat max mea mea mee Men mer met met met mic mid Mil min Mir mix mod mod mol mon Mor mou mul muo mys nan nat nav nec Nep neu New New NGC nob nom non non nor not nuc nuc num Nyq obj obs obs oce oen OH omn opa ope opt opt opt orb ord Ori ort osc out ove oxy pal pan par Par par par pas pea Pen per per per per per pet pha pho pho pho phy pie Pit Pla pla pla pla ple Poi pol pol pol pol pop pos pos pow pre pre pre Pre pri pri pri pro pro pro pro pro pro Pro pub pul pyr qua qua qua qua Qui rad rad rad rad rad rad ram ran rat rea rec rec rec red ref ref reg reg rel rel rem rep res res res ret rev rho Rie rim riv rol Ros rot rul S a Sah san Sat sca Sch Sch scr sec sec sec sei sel sem sep set sha she sho sid sig sil sim sin sit sky slu sno sof sol sol sol sol sou sou spa spa spe spe spe sph spi spl spr sta sta sta sta sta ste ste sti sto str str sub sub sub sug sun sup sup sup sup sur syl syn sys tal Tay tel ten ter tex the the the thi tho thu tid tim tod top tot tra tra tra tra tri tri tro tru tur twi Typ UFO ult unc uni uni uni upg ura uti val var vec vel ver ver vig vir vis voc von wak Was wav wax wea wei whi Wie win WN6 wom X-r yel you zer zod > >>