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: 12937 Search : far
interferometric array
  آرست ِ اندرزنش‌سنجی، ~ اندرزنش‌سنجیک   
ârast-e andarzanešsanji, ~ andarzanešsanjik

Fr.: réseau interférométrique   

A system of several telescopes coupled together in a particular configuration to carry out → interferometry.

interferometric; → array.

interferometric technique
  تشنیک ِ اندرزنش‌سنجی، ~ اندرزنش‌سنجیک   
tašnik-e andarzanešsanji, ~ andarzanešsanjik

Fr.: technique interférométrique   

An observational technique based on principles of → interferometry.

interferometric; → technique.

interferometry
  اندرزنش‌سنجی   
andarzanešsanji

Fr.: interférométrie   

1) The technique and study of the → interference phenomenon produced by → coherent electromagnetic waves.
2) Astro.: An observational technique that uses the interference phenomenon to substantially increase the → resolving power of telescopes.

Interferometry, from interfer, → interfer, + -o- a connective/euphonic infix + → -metry.

intergalactic
  اندرکهکشانی   
andarkahkešâni

Fr.: intergalactique   

Of, existing, or occurring in the space between galaxies. → intergalactic absorption, → intergalactic cloud, → intergalactic matter , → intergalactic medium , → warm-hot intergalactic medium.

inter-; → galactic.

intergalactic absorption
  درشم ِ اندرکهکشانی   
daršam-e andarkahkešâni

Fr.: absorption intergalactique   

Absorption features in the spectra of bright sources like → quasars attributed to a tenuous matter filling the medium between galaxies.

intergalactic; → absorption.

intergalactic cloud
  ابر ِ اندرکهکشانی   
abr-e andarkahkešâni

Fr.: nuage intergalactique   

Intergalactic matter in the form of clouds.

intergalactic; → cloud.

intergalactic matter
  مادّه‌ی ِ اندرکهکشانی   
mâdde-ye andarkahkešâni

Fr.: matière intergalactique   

Very low density material found indirectly in the space between galaxies. → intergalactic absorption.

intergalactic; → matter.

intergalactic medium
  مدیم ِ اندرکهکشانی   
madim-e andarkahkešâni

Fr.: milieu intergalactique   

The matter or environment between the galaxies of a → cluster.

intergalactic; → medium.

interim
  اندریم   
andarim

Fr.: intérim   

1a) An intervening time; interval; meantime.
1b) A temporary or provisional arrangement.
2) For, during, belonging to, or connected with an intervening period of time; temporary; provisional (Dictionary.com).

L. interim (adv.) "in the meantime, meanwhile," originally "in the midst of that," from → inter- "between" + im, an old accusative of "is, he, this, that."

Andarim, from andar-, → inter-, + im variant em "this;" Mid.Pers. im "this;" from Old.Pers./Av. ima "this;" Skt. ima; cf. Lori (Laki) im "this side." The Mid.Pers. im occurs in Mod.Pers. as em- in emruz "today," emšab "tonight," and emsâl "this year."

interior
  درونه   
daruné (#)

Fr.: intérieur   

The internal or inner part. → differentiated interior.

From L. interior "inner," comparative adj. of inter "within."

Daruné, from darun "in, into; within" (Mid.Pers. andarôn "inside," from andar, → inter-, + rôn "side, direction;" Av. ravan- "(course of a) river") + nuance suffix.

intermediate
  میانی، اندرمیانی، میانجی   
myiâni (#), andarmiyâni (#), miyânji (#)

Fr.: intermédiaire   

1) (Adj.) Being or acting at the middle place or stage, or between extremes.
2a) (n.) A person who acts between others; something intermediate.
2b) Chemistry: A molecular entity that is formed (directly or indirectly) from the reactants and reacts further to give (either directly or indirectly) the products of a chemical reaction (PAC, 1996, 68, 149, A glossary of terms used in chemical kinetics, including reaction dynamics, IUPAC Recommendations 1996).
See also:
intermediate boson, → intermediate frequency, → intermediate infrared, → intermediate-mass black hole, → intermediate-mass protostar, → intermediate-mass star.

Intermediate, from M.L. intermediatus "lying between," from L. intermedius "that which is between," from → inter- "between" + medius "located in the middle;" PIE root *medhyo- "middle;" cf. Pers. miyân, as below; Av. maidiia-, Skt. mádhya-; Gk. medos, messos "middle;"

Miyâni, adj. of miyân "within, between, center," from Mid.Pers. mayân "middle; among, between," Av. maidiia- "middle, the middle," maiδiiāna- "middle, center;" cf. Skt. mádhya- "middle, located in the middle;" G.H.G. mitti "located in the middle."
Andarmiyâni, adj. of andarmiyân "in the middle," from andar-, → inter-, + miyân, as above.
Miyânji "intermediary, mediator," from Mid.Pers. mayânjig, from mayân.

intermediate boson
  بوسون ِ میانجی   
boson-e miyânji

Fr.: boson intermédiaire   

A hypothetical → elementary particle that mediates the → weak interaction, carrying its effect from one particle to another as the photon does for electromagnetic interactions. First introduced in 1961 by Sheldon Glashow.

intermediate; → boson.

intermediate frequency
  بسامد ِ میانی   
basâmad-e miyâni

Fr.: fréquence intermédiare   

In a → superheterodyne receiver, a frequency resulting from the combination of the received modulated → carrier frequency and the → local oscillator frequency.

intermediate; → frequency.

intermediate infrared
  فروسرخ ِ میانی   
forusorx-e miyâni (#)

Fr.: infrarouge moyen   

The infrared radiation with wavelengths between about 1.5 and 20 microns. → near infrared; → far infrared.

intermediate; → infrared.

intermediate-mass black hole (IMBH)
  سیه‌چال ِ میان‌جرم   
siyah câl-e miyân jerm

Fr.: trou noir de masse intermédiaire   

A → black hole with a mass in the range 102-104 solar masses. IMBHs may form as the result of multiple → mergers of smaller objects in the centers of dense stellar clusters in the present universe, assuming → mass loss from → stellar winds is not significant. They may also arise from the evolution of → very massive stars early in the history of the Universe, forming black hole "seeds" in the centers of massive halos (the precursors of the galaxies we see today) early in the history of the Universe, to redshifts z > 10. Currently the best observational evidence for IMBHs comes from models of ultraluminous X-ray sources (See, e.g., J. M. Centrella et al. 2010, astro-ph/1010.5260).

intermediate; → mass; → black; → hole.

intermediate-mass protostar
  پورواستاره‌ی ِ میان‌جرم   
purvâsetâre-ye miyân-jerm

Fr.: protoétoile de masse intermédiare   

A protostar that evolves into an → intermediate-mass star.

intermediate; → mass; → protostar.

intermediate-mass star
  ستاره‌ی ِ میان‌جرم   
setâre-ye miyânjerm

Fr.: étoile de masse intermédiare   

A star whose mass lies in the range about 2 to 8 → solar masses approximately.

intermediate; → mass; → star.

intermittency
  رفت-و-ماند   
raftomând (#)

Fr.: intermittence   

A property of a turbulent dynamical system which is characterized by chaotic, irregular behavior occurring between quiet (or less irregular) periods. In other words, a → turbulent flow having a large → Reynolds number undergoes a phenomenon in which its turbulent activity at a fixed location stops from time to time and starts again. In fact → turbulence never completely disappears, but it can become extremely weak interrupted irregularly by bursts of strong turbulence (see also → developed turbulence). For intermittent flows → probability density functions are not → Gaussian. Turbulent intermittency plays a fundamental role in fields ranging from combustion physics, chemical engineering, meteorology, to astrophysical systems, more specifically the → interstellar medium.

From L. intermittent, pr.p. of intermittere "to leave a space between, drop (for a while), leave off," from → inter- + mittere "to send, let go."

Raftomând, literally "to go and to stop," from raft past stem of raftan "to go, walk, proceed" (present stem row-); Mid.Pers. raftan, raw-, Proto-Iranian *rab/f- "to go; to attack") + -o- euphonic infix + mând past stem of mândan "to remain, stay, relinquish, leave" (Mid.Pers. mândan "to remain, stay," mân "house, home;" O.Pers. mān- "to remain, dwell;" Av. man- "to remain, dwell; to wait;" cf. Gk. menein "to remain;" L. manere "to stay, remain, abide," mansio "a staying, a remaining, night quarters, station" (Fr. maison, ménage; E. manor, mansion, permanent; PIE *men- "to remain, wait for").

intermittent
  رفت-و-ماندی   
raftomândi (#)

Fr.: intermittent   

Alternately ceasing and beginning again; adj. of → intermittency.

Adjective of → intermittency.

intermittent current
  جریان ِ رفت-و-ماندی   
jarayân-e raftomândi

Fr.: courant intermittent   

A unidirectional electric current that flows and ceases to flow at irregular or regular intervals.

intermittent; → current.

<< < -es -iv -ti 217 A s abe abs abs acc acc Ach act act ADa adi adv aff age Alc Alf ali all alp alt ama amp ana ang ang ann ano ant ant ape apo app aps arc Arg arm art ass ast ast ast atm ato att aur aut axi B-t Bai Bal bar bar Be bed Bes BHB bif bim bin Bio bis bla ble blu bod Bol bor bou bra Bre bro Bul cag cal can Can car Car Cas cat CCD cel cen Cet cha cha che che chr cir cir cit 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 cri cro cry cul cur cyc D r dar dat day dea dec dec dec def def deg del den dep des det deu dex dif dif dif dim dip dir dis dis dis dis dis div dom dos dou dri Dum dus dyn dyn ear eas ecl Edd eff Ein eje ele ele ele ele eli emb emi Enc ene ens eph epo equ equ eru eth Eul eve evo exc exc exi exo exp exp ext ext fab fai Fan Fea fem fer fie fil fir fis fla flo flu foc for for Fou fra fre fre fro fun G r Gal gal gam gas Gau gel gen geo geo geo Gho gla goa gra gra gra gra gre Gre gro gyr had hal har har HD Hea Hel hel Her her hid hig Hip hom hor hot Hub Hub hun hyd hyd hyg Hyp ice ide ima imm imp imp 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 Kel Kep kil kit Kui Lag lam lan Lar Lat law lea lem lep Li- lig lim lin lin lio lit loc lod lon Lor low Lum lun Lup Lyn mac mag mag mag mag mag mai man mar mas mas mat Max mea mec mel mer mes met met met mic mid mil Min mir mix mod mol mom Moo mor mov mul mur nab nar nat neb neg nes neu New New nig nod non non non Nor nua nuc nul Nun OBC obl obs occ oct off Ohm on- ope opp opt opt orb orb org Ori ort Ost out ove p m Pal par par par par Pas pat Peg Peo per per per per per pha Phe pho pho pho phy pin pla pla pla pla pla plu poi pol pol Pol pol pos pos pot pra pre pre pre pre pri pri pro pro pro pro pro pro pro pse pul Pup Qua qua qua qua que rac rad rad rad rad rad rad ran rap 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 Sac sal sat sca sca Sch sci Scu sec sec Sed sel sem sen Ser Sey Sha she sho sid sig sim sin sip ske sli smo soc sol sol sol sol sol sou spa spa spe spe spe spe Spi spi spo squ sta sta sta sta Ste ste ste sto str str str sub sub sub sun sup sup sup sup sur sus sym syn T-s tar Tei tem ter tes the the the the thi thr tid tim Tis Too Tor tra tra Tra tra tra tri tri tru Tul tur Tyc Typ ult unb und uni uni unr upp Urs vac van Var veg Ven ver vib vio vir vis vol VY war wat wav WC8 Web wes whi win WN1 wob wri X-r yoc zen Zhe > >>