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: 13176 Search : in
inner core
  مغزه‌ی ِ درونی   
maqze-ye daruni

Fr.: noyau interne   

The central part of the → Earth's core, composed of solidified → iron and → nickel, and extending from a depth of about 5100 km to the center of the Earth, at 6360 km. Its radius is about 1/3 that of the whole core and is effectively decoupled from the → mantle due to the molten nature of the surrounding → outer core. The radius of the inner core is defined by a small increase in → compressional wave velocity at a radius of about 1200 km. Its density is about 12 g/cm3. The → temperature of the inner core has been estimated at 5000-7000 °C.

inner; → core.

inner Earth object (IEO)
  بر‌آخت ِ درونی ِ مدار ِ زمین   
barâxt-e daruni-ye madâr-e zamin

Fr.: objet interne à l'orbite terrestre   

A → near-Earth object whose → orbit lies always inside Earth's orbit.

inner; → Earth; → object.

inner Lagrangian point
  نقطه‌ی ِ لاگرانژ ِ درونی   
noqte-ye Lagrange-e daruni (#)

Fr.: point de Lagrange interne   

One of the five → Lagrangian points, denoted L1, which lies between the two bodies on the line passing through their center of mass. In a → close binary star system mass transfer occurs through this point.

inner; → Lagrangian points.

inner Lindblad resonance (ILR)
  باز‌آوایی ِ لیندبلاد ِ درونی   
bâzâvâyi-ye Lindblad-e daruni

Fr.: résonance de Lindblad interne   

A → Lindblad resonance expressed by: Ωp = Ω - κ/m.

inner; → Lindblad resonance.

inner planets
  سیاره‌های ِ درونی   
sayârehâ-ye daruni (#)

Fr.: planètes internes   

The planets Mercury, Venus, Earth and Mars collectively. T hey are also known as the terrestrial planets.

inner; → planet.

innermost stable circular orbit (ISCO)
  درونیترین مدار ِ دایره‌ای ِ پایدار   
darunitarin madâr-e dâyere-yi-ye pâydâr

Fr.: orbite circulaire stable intérieur   

The smallest → circular orbit in which a particle can stably orbit a → black hole according to → general relativity without the risk of falling past the → event horizon. In other words, the ISCO is the inner edge of the → accretion disk around a black hole. Therefore, characteristics of accretion disks depend on ISCO. The radius of ISCO is calculated to be three times the → Schwarzschild radius (3 RSch). ISCO is closer to event horizon for rotating black hole.

inner; → stable; → circular; → orbit.

INPOP ephemerides
  روزیجهای ِ INPOP   
ruzijhâ-ye INPOP

Fr.: éphémérides INPOP   

A dynamical model developed in France since 2003 which calculates the motion of → Solar System bodies with the highest accuracy. It integrates data obtained by NASA and ESA space missions. See, for example, A. Fienga et al. 2011, arXiv:1108.5546.

INPOP, short for Intégration Numérique Planétaire de l'Observatoire de Paris; → ephemerides.

input
  درونداد   
darundâd (#)

Fr.: entrée   

1) The current, voltage, or driving force applied to an electric or electronic circuit or device.
2) Computers: Data which is transferred from outer external storage elements to the internal storage of a computer. → output.

From → in- + put, from M.E. put(t)en "to push, thrust, put;" O.E. *putian.

Darundâd, from darun "in" → in-, → intra-, + dâd "given," p.p. of dâdan "to give" (Mid.Pers. dâdan "to give," O.Pers./Av. dā- "to give, grant, yield," akin to L. data, → datum).

input catalog
  کاتالوگ ِ درونداد   
kâtâlog-e darundâd

Fr.: catalogue d'entrée   

A catalog based on a pre-defined list of objects prepared for new observations, mainly using → space telescopes. → Ecliptic Plane Input Catalogue.

input; → catalog.

inscribe
  در-وِشتن، در-ویسیدن   
darveštan, darvisidan

Fr.: inscrire   

1) To mark with words, characters, etc., especially in a durable or conspicuous way.
2) Geometry: To draw within another figure so that the inner lies entirely within the boundary of the outer, touching it at as many points as possible: e.g. to inscribe a circle in a square.

From L. inscribere, from → in- + scribere "to write," from PIE *skreibh- (cf. Gk. skariphasthai "to scratch an outline, sketch;" Lett. skripat "scratch, write;" 0 O.N. hrifa "scratch"); PIE base *sker- "cut, incise."

Darveštan, darvisidan (on the model of neveštan, nevisidan "to write"), from dar-, → in-, + vešt-, vis- (see below) + -idan infinitive suffix. Vešt-, vis- from Mid.Pers. bišt-, bis- (nibištan, nibes- "to write"), from O.Pers. pais- "to adorn, cut, engrave," Av. paēs- "to paint, adorn," paēsa- "adornment," Mid.Pers. pēsīdan "to adorn;" cf. Skt. piśáti "adorns; cuts;" Gk. poikilos "multicolored;" L. pingit "embroiders, paints;" O.C.S. pisati "to write;" O.H.G. fēh "multicolored;" Lith. piēšti "to draw, adorn;" PIE base *peik- "colored, speckled."

inscribed angle
  زاویه‌ی ِ دروِشته   
zâviye-ye davešté

Fr.: angle inscrit   

An angle whose vertex lies on a circle and whose sides are chords of the circle.

Inscribed p.p. of → inscribe; → angle.

inscription
  در-وشت   
darvešt

Fr.: inscription   

1) Something inscribed; the act of inscribing.
2) The entering of a name on or as if on a list.
3) A historical or religious text carved on stone, brick, or other hard surface.
4) A brief dedication, as of a book or a work of art.

Verbal noun of → inscribe.

insecure
  نازیله   
nâzilé

Fr.: insécurité   

Not secure; exposed or liable to risk, loss, or danger.

in-; → security.

insecurity
  نازیلگی   
nâzilegi

Fr.: insécurité   

The quality or state of being insecure; something insecure.

in-; → security.

inseminate
  درشسریدن   
daršosaridan

Fr.: inséminer   

Biology: To inject → semen into the reproductive tract a female animal or plant by artificial means.

From L. inseminatus, p.p. of inseminare "to sow, implant," from → in- + → semen "seed."

daršosaridan, from dar-, → in-, + šosar, → semen, + -idan suffix of infinitives.

insemination
  درشسرش   
daršosareš

Fr.: insémination   

The act or process of inseminating.

Verbal noun of → inseminate; → -tion.

InSight Mission
  گسیلان ِ اینسایت   
gosilân-e InSight

Fr.: InSight: Exploration interne par les sondages sismiques, la géodésie et les flux thermiques   

A NASA lander designed to study the interior of the planet Mars. It will be a stationary mission, in contrast to NASA's famous Opportunity, Spirit and Curiosity rovers. Staying in place is necessary for its major science goals, which include learning more about the Martian composition, and how tectonically active the red planet is. InSight launched toward Mars on May 5, 2018, landed on Nov. 26, 2018, at the Martian Elysium Planitia, an equatorial zone just south of an ancient volcanic area. InSight will send back data about Mars' interior for about 1 Mars year, or 728 Earth-days. The lander uses sophisticated instruments, to delve deep beneath the surface and seek the fingerprints of the processes that formed the terrestrial planets. It does so by carrying out → seismology, heat flow measurements, and precision tracking.

InSight, short for Interior Exploration using Seismic Investigations, Geodesy and Heat Transport; → mission.

insist
  دریستادن   
daristâdan (#)

Fr.: insister   

To be firm in a demand or course; refuse to yield (Dictionary.com).

L. insistere "stand upon, dwell upon," from → in- "upon" + sistere "take a stand," → resist.

Daristâdan "to insist" (Dehxodâ), from dar-, → in-, + istâdan "to stand," → resist.

insistence
  دریست   
darist

Fr.: insistance   

The act or fact of insisting; the quality of being insistent.

Verbal noun of → insist.

insistent
  دریستنده   
daristandé

Fr.: insistant   

Earnest or emphatic in dwelling upon, maintaining, or demanding something; persistent; pertinacious (Dictionary.com).

Adjective from → insist.

<< < -es -it -sc 201 951 abe abs abs aca acc acc aco act ada adh ado aer aft air Alf alg alk alp Alt alt amb ana And ang ani ann ant ant ant apo app app Apu arc arg Arn art ass ast ast ast atm ato att aur aut avo azi bac bal bar bar bat Bea Bel bet bia big bin bio Bir bla bla blo Blu bol Boo bou box bre Bri bro bur cal cal Can cap car Car cat cau cel cen cen cha Cha cha che Chi chr cir cir civ cla clo clo CMB 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 con coo cor cor cor Cos cos cos cou cou cra cri cro cry cul cur cyc D l dar dat day dea dec dec dec def def deg Del Den dep der det deu dew dic dif dif dil dip dir dis dis dis dis dis diu dog Dop dou Dra Dsc dus dwa dyn Dys Ear ecc eco edg egg Ein Ela ele ele ele ele ell eme emp enc eng ent epi equ equ equ eru eth Eur eve exa exc exe exi exo exp ext ext ext fab fai Fan fea fem fer fie fil fir fir fla fli flu foc for for for fra fre fre fri fun fuz gal gal gal Gam gau Gau gen geo geo geo geo Gib glo gov gra gra gra gra gre gro Gui H-a hal Ham har Hay hea hei hel Hel her het hie hig hoa hom hor hot Hub Hug hur hyd hyd hyl hyp ice ide ima ima imp imp inc inc ind ine inf inf inf ing inn ins ins int int int int int int int int inv inv ion iro Isl iso iso Jab jet Jov Jup Kar Kep kil Kip Kra Lag Lam Lan Lar las law lea Leg Leo lev lig lim lin lin lin lit loc loc log Lor low lum lun lun Lym Mac mag mag mag mag mag mai Mal map mas mas mat Mau mea mea med Men mer Mes Met met mic mic Mie mil min Mir mix mod mol mom Moo mor mov mul mur n-b nan nat nea neg Ner neu new New NGC noc nom non non nor nor nuc nuc nul nut obj obl obs occ oct off old one ope opp opt opt orb ord org Ori osc oth ove Owl P-s Pal par par par par Pas pat pec pen per per per per per Pha pha pho pho pho phy pie pix Pla pla pla pla Pli Poi pol pol pol pol por pos pos pow pre pre pre pre pri pri pri pro pro pro pro pro pro pro pub pul pyc qua qua qua qua qui rad rad rad rad rad rad rai ran rar Ray rea Rea rec rec red red ref ref reg rel rel rel ren res res res res ret rev Ric rig rin roc roo rot rot rur S5- Sal sat sca sca Sch sci Scu sec sec sed sel sel sem seq set sha she sho sid sie sil sim sin sit sky slo sno sod sol sol sol sol son sou spa spa spe spe spe spe sph spi spo squ sta sta sta sta ste ste ste Sti sto str str sub sub sub sul sup sup sup sup sur sur syl syn sys tal Tay tel ten ter tex the the the the Tho thr tid tim Tit too Tor tra tra Tra tra Tra tri Tri tru tub tur two Typ ult ult unc uni uni uni upl ura uti val var vec vel ver Ver vie vir vis vis vol W-R war wav wav wea Wei wha wid win WN3 Wol wri xen yok zen zij > >>