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: 12974 Search : far
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.

interstellar cloud
  ابر ِ اندر‌اختری   
abr-e andaraxtari

Fr.: nuage interstellaire   

An aggregation of gas and dust in the → interstellar medium containing large quantities of atoms, molecules, and dust. There are several types of interstellar clouds, such as → diffuse interstellar clouds, → dark clouds, → molecular clouds.

diffuse; → cloud.

interstellar dust
  غبار ِ اندر-اختری   
qobâr-e andaraxtari

Fr.: poussière interstellaire   

An aggregation of → dust grains in the space between stars. Interstellar dust absorbs, scatters, and polarizes the light from distant stars, causing the → interstellar extinction. Large dark regions in the plane of the Milky Way and other galaxies are caused by → intervening clouds of dust. The conclusive proof for the presence of a general and selective interstellar absorption is due to R. J. Trumpler (1930). See also → reddening; → very small grain; → big grain; → PAH.

interstellar; → dust.

interstellar dust grain
  دانه‌ی ِ غبار ِ اندر‌اختری   
dâne-ye qobâr-e andaraxtari

Fr.: grain de poussière interstellaire   

dust grain.

interstellar; → dust; → grain.

interstellar extinction
  خاموشی ِ اندر-اختری   
xâmuši-ye andaraxtari

Fr.: extinction interstellaire   

The dimming of light traveling in the interstellar space due to the combined effects of absorption and scattering by interstellar dust particles. Interstellar extinction increases at shorter (bluer) wavelengths, resulting in → interstellar reddening.

interstellar; → extinction.

interstellar gas
  گاز ِ اندر-اختری   
gâz-e andaraxtari

Fr.: gaz interstellaire   

Gas, mostly hydrogen, in the interstellar space found in a variety of forms: molecular, atomic, ionized, plasma.

interstellar; → gas.

interstellar grain
  دانه‌ی ِ اندر-اختری   
dâne-ye andaraxtari

Fr.: grain interstellaire   

Irregularly shaped → dust grains that occur in the → interstellar medium. They are mostly composed of carbon and/or silicates and measure a fraction of micron across.

interstellar; → grains.

<< < -es -iv -ti 21- a p abe abs abs acc acc acc act act ada adi ads aes Age Alb Alf ali all alp alt ama amp ana ang ang ann ano ant ant ape apo app app arc Arg ari art ass ast ast ast atm ato att Aur aut axi azi bac Bal Bar Bar Bay Bec Ber bet bic bij bin bio Bir bla Bla blu blu bol Boo bou bra Bre bro bug C r cal Cal can car Car Cas cat cau cel cen cer Cha cha Cha che cho cir cir cir Cla cli clo clu co- cod 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 cop Cor cor cor cos cos Cou cou CP cre cri cro CSP cur cya Cyg dan dar dat de- deb dec dec dee def deg del dem den dep des det dev dia dif dif dih dip dir dis dis dis dis dis diu doc doo dou dow Dru dus dwa dyn Dys Ear ecc eco edi EHB Ein ela ele ele ele ele ell eme emp end Eng ent epi equ equ Era est eth Eur evi exa exc exe exi exp exp ext ext eye fac fal Far fed Fer fer fie fin fir fit fla flo flu fol for for Fou fra fre Fre ful fuz Gal gal Gal gam gas Gau gen gen geo geo geo gib glo gos gra gra gra gra Gre gri gui H I hal Ham har Haw hea hei hel Hel her het hie hig Hob hom Hor hot Hub hum Huy hyd hyd hyp hyp ico if ima imp imp in- inc Ind ind ine inf inf inf ini ins ins int int int int int int int int int inv ion iro ise iso iso Jab jet Jov Jur Kee Kep kil Kis kry Lag lam lan Lar lat law lea lem lep Li lig lim lin lin lin lit loc loc lon Lor low lum lun Lup Lym mac mag mag mag mag mag mai man Mar mas mas mat Max mea mec meg Mer Mer met met met mic mid mil Min Mir mix mod mod MOL mon mor mov mul mur N66 Nap nat nea neg Ner neu New New nic nod non non non nor nov nuc nul num O-t obl obs obt och off Ohm on- opa Oph opt opt ora orb ord Ori ort osc out ove ozo pal pan par par par par pat pec pen per per per per per Pfu pha pho pho pho phy pie pla Pla Pla pla pla Plo poi pol pol pol pol por pos pot pow pre pre pre pre pri pri pri pro pro pro pro Pro pro Pru pul pul Pyt qua qua qua qua quo rad rad rad rad rad rad ram Ran rat re- rea rec rec red red ref ref reg Reg rel rel rem rep res res res ret rev rho rif Rin Rob Rom rot rot rul S D Sai san Sat sca Sch Sch scr sec sec sec sei sel sem sep set sha she sho sid sig sil sim sin sit sky Slo sno sof sol sol sol sol sor sou spa spa spe spe spe sph spi spi spr SS sta sta sta sta ste ste ste Sto str str stu sub sub suc sun sup sup sup sup sur swe syn syn tad Tau tel ten ter tet the the the thi Tho thr tid tim Tit top tot tra tra tra tra tre tri Tro tru tur TW Typ U G ult unb und uni uni uns ura use val vap vec Vel Ven Ver Vie Vir vir vis vol W V war wav wav wea Wei Wez wid win WN3 Wol Wro Y d YOR zen zir > >>