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
International Date Line
  خط ِ جهانی ِ گاهداد   
xatt-e jahâni-ye gâhdâd

Fr.: ligne internationale de changement de date   

An imaginary line following approximately the 180th meridian which, by international agreement in 1884, marks the beginning or or end of a day. The regions to the east of which are counted as being one day earlier in their calendar dates than the regions to the west.

international; → date; → line.

International System of Units (SI)
  راژمان ِ جهانی ِ یکاها   
râžmân-e jahâni-ye yekâhâ

Fr.: système international des unités   

The metric system of units based on the → meter, → kilogram, → second, → ampere, → kelvin, and → candela. Also called MSKA system. Other SI units are → hertz, → radian, → newton, → joule, → watt, → coulomb, → volt, → ohm, → farad, → weber, and → tesla.

international; → system; → unit.

International Ultraviolet Explorer (IUE)
     

Fr.: IUE   

A satellite dedicated to spectroscopic observations of astronomical objects in ultraviolet wavelengths, launched in 1978. It was an international collaboration between → NASA, the → European Space Agency (ESA), and the United Kingdom's Science and Engineering Research Council. It operated until September 1996 and collected over 70,000 spectra. IUE consisted of a 45-cm telescope (f/15) equipped with two spectrographs operating in the ranges 1850-3300 Å and 1150-2000 Å. Each spectrograph had a high-resolution and a low-resolution mode with resolutions of about 0.2 Å and 6 Å respectively.

international; → ultraviolet; → explorer.

International Virtual Observatory Alliance (IVOA)
  همدستی ِ اندرنفانی ِ نپاهشگاه ِ ویر‌آگین   
hamdasti-ye andarnafâni-ye nepâhešgâh-e virâgin

Fr.: Alliance internationale de l'Observatoire Virtuel   

An international cooperation whose objective is to facilitate the international coordination and collaboration necessary for the development and deployment of the tools, systems and organizational structures necessary to enable the international utilization of astronomical archives as an integrated and interoperating → Virtual Observatory. The IVOA, created in 2002, now comprises 20 Virtual Observatory programs from various countries and international organizations.

international; → virtual; → observatory; → alliance.

interoperability
  اندر-آپارش‌پذیری   
andar-âpârešpaziri

Fr.: interopérabilité   

The ability of different types of computers, networks, operating systems, and software applications to work together by exchanging and sharing information in a standardized, accurate, and effective manner.

inter-; → operability.

interplanetary coronal mass ejections (ICME)
  اشانش ِ اندرسیاره‌ای ِ جرم از تاج   
ešâneš-e andarsayyâreyi-ye jerm az tâj

Fr.: éjection de masse coronale interplanétaire   

An → interplanetary manifestation of a → coronal mass ejection.

interplanetary; → coronal; → mass; → ejection.

interplanetary dust
  غبار ِ اندرسیاره‌ای   
qobâr-e andarsayyâreyi

Fr.: poussière interplanétaire   

Particles of dust in the → interplanetary medium. They are left-overs from the beginning of the solar system or from other sources such as sublimating comets. Their existence was first deduced from observations of → zodiacal light.

interplanetary; → dust.

interplanetary gas
  گاز ِ اندرسیاره‌ای   
gâz-e andarsayyâreyi

Fr.: gaz interplanétaire   

Electrically charged particles of the solar wind and gas liberated from comets within the solar system.

interplanetary; → gas.

interplanetary magnetic field
  میدان ِ مغناتیسی ِ اندرسیاره‌ای   
meydân-e meqnâtisi-ye andarsayyârei

Fr.: champ magnétique interstellaire   

The magnetic field that is carried along with the solar wind and fills the solar system space. It is wound into a spiral structure by the rotation of the Sun. At the Earth's distance from the Sun, it has a strength of about 5 x 10-5 gauss.

interplanetary; → magnetic; → field.

interplanetary matter
  مادّه‌ی ِ اندرسیاره‌ای   
mâdde-ye andarsayyâreyi

Fr.: matière interplanétaire   

Material existing in the space between solar system planets. It includes interplanetary gas and dust.

interplanetary; → matter.

interplanetary medium
  مدیم ِ اندرسیاره‌ای   
madim-e andarsayâre-yi

Fr.: milieu interplanétaire   

The material contained in the → solar system in the space through which the planets travel. It consists of the smaller objects such as → asteroids, → comets, → meteorites and also a general pervading → interplanetary dust. Moreover a → plasma of charged particles streaming outward from the Sun in the form of the → solar wind contributes to the interplanetary medium.

interplanetary; → medium.

interplanetary space
  فضای ِ اندرسیاره‌ای   
fazâ-ye anadrsayyâre-yi

Fr.: espace interplanétaire   

Same as → interplanetary medium.

interplanetary; → space.

interpolation
  اندریابش   
andaryâbeš

Fr.: interpolation   

In a series of numerical values, the operation performed to find a number or value which is not present but which can be derived approximately from those that are present.

Verbal noun of interpolate, from L. interpolatus, p.p. of interpolare "to make new, refurbish, alter," from → inter- + polare, related to polire "to smoothe, polish."

Andaryâbeš, from andar-, → inter-, + yâbeš "finding," verbal noun of yâftan, yâbidan "to find, discover; to obtain, acquire;" Mid.Pers. ayâftan, ayâpênitan "to reach, attain;" Manichean Mid.Pers. 'y'b "to attain;" Parthian, Sogdian (+ *pati-) pty'b "to reach, obtain;" Av. ap- "to reach, overtake," apayeiti "achieved, reached;" Skt. âp- "to reach, gain," âpnoti "reaches, gains;" Gk. hapto, haptomai "to touch, cling to, adhere to;" L. apiscor "touch, reach;" PIE base *ap- "to take, reach."

interpret
  آزندیدن، آزند کردن   
âzandidan, âzand kardan

Fr.: interpréter   

1) To give or provide the meaning of. To ascribe a particular meaning or significance to something. To try to make understandable something that is dense, complicated, or ambiguous. Related concept: → explain.
2) Physics: To relate a mathematical → formalism to physical → observables. → interpretation.

From M.E. interpreten, from L. interpretari "explain, expound, understand," from interpres "agent, translator," from → inter- + pres of uncertain origin.

Âzand, from â- nuance/intensive prefix + Mid.Pers. zand "interpretation, commentary; knowledge" (zandik "gnostic; heretic"); Av. zan- "to know, recognize;" O.Pers. dan- "to know" (Mid./Mod.Pers. dân-, dânestan "to know"); variant O.Pers./Av. xšnā- "to know, learn, come to know, recognize" (Mid./Mod.Pers. šenâxtan, šenâs- "to recognize, to know" ); cf. Skt. jñā- "to recognize, know," jānāti "he knows;" Gk. gignoskein "to know, think, judge," cognate with L. gnoscere, noscere "to come to know" (Fr. connaître; Sp. conocer); O.E. cnawan, E. know; Rus. znat "to know;" PIE base *gno- "to know" + -idan infinitive suffix; kardan verb of compound infinitives, → -ize.

interpretation
  آزند، آزندش   
âznad, âzandeš

Fr.: interprétation   

1) The act of interpreting; elucidation; explication.
2) Physics: Providing relations between the mathematical symbols of a → formalism and physical → observables. → Copenhagen Interpretation.

Verbal noun of → interpret.

intersect
  اندربریدن، اندرسکنجیدن   
andarboridan, andarsekanjidan

Fr.: couper, croiser; intersecter   

To cut or divide by passing through or across: a comet intersecting Earth's orbit.
Geometry: Of lines, to meet and cross at a point.

From L. intersectus, p.p. of intersecarer, from → inter- + secare "to cut."

Andarboridan, from andar-, → inter-, + boridan "to cut," from Mid.Pers. britan, brinitan "to cut off;" Av. brāy-, present tense brin-, only with suffix pairi-, "to cut off;" cf. Skt. bhri- "to hurt, injure," bhrinanti "they hurt."
Andarsekanjidan, from andar-, → inter-, + sekanjidan [Dehxodâ] "to cut, scrape, pare;" Mid.Pers. škastan, škenn- "to break," Mod.Pers. šekastan "to beak, split," present stem šekan-; Av. scind-, scand "to beak, cleave;" Proto-Iranian *skand- "to beak, cleave;" PIE sken- "to cut off."

intersection
  اندربرش، اندرسکنج   
andarboreš, andarsekanj

Fr.: intersection   

The act, process, or result of intersecting.
Math.: A set of elements common to sets A and B, denoted by A ∩ B. → section.

Verbal noun of → intersect.

interstellar
  اندر-اختری   
andaraxtari

Fr.: interstellaire   

Referring to the medium or objects lying in the space between stars in our Galaxy or outer galaxies.

inter- + → stellar.

interstellar absorption
  درشم ِ اندر-اختری   
daršam-e andaraxtari

Fr.: absorption interstellaire   

The absorption of light from stars and other objects by intervening gas and dust in interstellar space.

interstellar; → absorption.

interstellar bubble
  تنگل ِ اندر-اختری، حباب ِ ~   
tangol-e andaraxtari, hobâb-e ~

Fr.: bulle interstellaire   

A huge structure of ionized gas blown into the interstellar medium by the winds of supernovae and massive stars. → Local Bubble.

interstellar; → bubble.

<< < -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 > >>