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
installation
  درهش   
darheš

Fr.: installation   

1) Something installed, as machinery or apparatus placed in position or connected for use.
2) The act of installing.
3) The fact of being installed (Dictionary.com).

install; → -tion.

instance
  سته   
seté

Fr.: instance   

1) A case or occurrence of anything.
2) An example put forth in proof or illustration (Dictionary.com).

M.E., from O.Fr. instance, from L. instantia "presence; earnestness, urgency," literally "a standing near," from instans, → instant.

Seté, from set, present stem of setâdan, variant of istâdan "to stand," → standard, + noun suffix.

instant
  ۱) لحظه؛ ۲) ستند   
1) lahzé; 2) setand

Fr.: 1) instant; 2) instantané   

1a) An → infinitesimal or very short space of time;  a → moment.
1b) The point of time now present or present with reference to some action or even.
2a) Succeeding without any interval of time; prompt;  → immediate.
2b) Occurring, done, or prepared with a minimal amount of time and effort; produced  rapidly and with little preparation (Dictionary.com).

M.E., from O.Fr. instant (adj.) "assiduous, at hand," from M.L. instans-, in classical L. "present, pressing, urgent," literally "standing near," pr.p. of instare "to urge, to stand near, be present," → insist.

1) Lahzé, from Ar. laHZat, laHZa "glance; moment."
2) Setand (variant of istandé), from setâdan, variant of istâdan "to stand," → instance.

instantaneous
  لحظه‌ای   
lahze-yi (#)

Fr.: instantané   

1) Occurring, done, or completed in an instant.
2) Existing at or pertaining to a particular instant (Dictionary.com).

instant; → -an; → -eous.

instantaneous acceleration
  شتاب ِ لحظه‌ای   
šetâb-e lahze-yi

Fr.: accélération instantanée   

The → acceleration of a particle at time t defined by a = lim Δvt = dv/dt. It is the limiting value of Δvt at time t as both Δv and Δt approach zero.

instantaneous; → acceleration.

instantaneous velocity
  تندای ِ لحظه‌ای   
tondâ-ye lahze-yi

Fr.: vitesse instantanée   

The velocity of a particle at some one instant of time, or at some one point of its path. It can be defined as the limiting value of the average velocity when the second point is taken closer and closer to the first point.

instantaneous; → velocity.

instep
  رویه‌ی ِ پا   
ruye-ye pâ (#)

Fr.: cambrure   

The arched upper surface of the human foot between the toes and the ankle (Dictionary.com).

in-; → step.

Ruyé, → surface; , → foot.

instigate
  آغالیدن   
âqâlidan

Fr.: inciter   

To provoke, urge, or incite.

From L. instigatus, p.p. of instigare "to urge on, incite," from → in- "in" + *stigare "to prick," from PIE root *steig- "to prick, stick, pierce," cognate with Pers. tig, tiz, → sharp.

Âqâlidan "to excite, rouse."

instigation
  آغالش   
âqâleš (#)

Fr.: incitation   

The act of instigating; incitement.

Verbal noun of → instigate.

instrument
  ۱) ساز؛ ۲) سازال   
1) sâz; 2) sâzâl

Fr.: instrument   

1) An object used for producing music.
2) A measuring device designed to record the present value of a quantity under observation.

From O.Fr. instrument, from L. instrumentem "a tool, apparatus, furniture," from instruere "to arrange, furnish," from → in- + struc- (var. s. of struere "to put together") + -tus p.p. suffix.

1) Sâz "(musical) instrument; apparatus; harness; furniture," from sâzidan, sâxtan "to build, make, fashion; to adapt, adjust, be fit" (from Mid.Pers. sâxtan, sâz-, Manichean Parthian s'c'dn "to prepare, to form;" Av. sak- "to understand, to mark," sâcaya- (causative) "to teach").
2) Sâzâl, from sâz + -âl, → -al.

instrument error
  ایرنگ ِ سازال، خطای ِ ~   
irang-e sâzâl, xatâ-ye ~

Fr.: erreur instrumentale   

The correctable part of the inaccuracy of a measuring instrument.

instrument; → error.

instrumental
  سازالی   
sâzâli

Fr.: instrumentale   

Of, relating to, or performed by or with one or more instruments.
See also:
instrumental broadening, → instrumental flexure, → instrumental magnitude, → instrumental profile, → instrumental response function, → instrumentalism, → instrumentalist.

Adj. of → instrument.

instrumental broadening
  پهنش ِ سازالی   
pahneš-e sâzâli

Fr.: élargissement instrumental   

The broadening of a point source caused by the response functions of the telescope and the instrument used.

instrumental; → broadening.

instrumental flexure
  چفتگی ِ سازال   
caftegi-ye sâzâl

Fr.: flexion d'instrument   

An image defect caused by the mechanical flexure of materials; for example the curved-shape image of a long slit in a spectrograph.

instrumental; → flexure.

instrumental magnitude
  برز ِ سازالی   
borz-e sâzâli

Fr.: magnitude instrumentale   

The magnitude derived directly using → Pogson's relation. The instrumental magnitude depends on → detectorsensitivity, telescope → aperture, exact filter → bandpass, etc. It must be → calibrated to some standard → photometric system.

instrumental; → magnitude.

instrumental profile
  فراپال ِ سازالی   
farâpâl-e sâzâli

Fr.: profil instrumental   

The shape of instrument's response to the input signal. The Fourier transform of the source function by the instrument function.

instrumental; → profile.

instrumental response function
  کریای ِ پاسخ ِ سازال   
karyâ-ye pâsox-e sâzâl

Fr.: fonction de la réponse instrumentale   

The mathematical form of the way an instrument affects the input signal.

instrumental; → response; → function.

instrumentalism
  سازال‌باوری   
sâzâlbâvari

Fr.: instrumentalisme   

In the philosophy of science, the pragmatic view that a scientific theory is no more than a useful instrument or tool for getting our experiences in some order.

instrumental; → -ism.

instrumentalist
  سازالگر   
sâzâlgar

Fr.: instrumentaliste   

An astronomer, engineer, or technician who is concerned with the construction of astronomical instruments.

instrumental + → -ist.

instrumentation
  ۱) سازالگری؛ ۲) سازالگان   
1) sâzâlgari; 2) sâzâlgân

Fr.: instrumentation   

1) The design and use of scientific instruments for detection, measurement, control, computation, and so on.
2) The ensemble of instruments contained in a given machine or system.

From → instrument + -ation a combination of -ate and -ion, used to form verbal nouns.

Sâzâlgari, noun from sâzâlgar, → instrumentalist. Sâzâlgân, with plurality suffix -gân.

<< < -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 > >>