An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

   Homepage   
   


A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

<< < -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 diu dog Dop dou Dra dua dus dwa dyn e-f Ear ecl eco edu eig Ein ela ele ele ele Ele elo emi emp ene Enl env epi equ equ Eri est Euc eva evo exc exc exh Exo exp exp ext ext f(R fac fam fat fee Fer Fib fig fin fir fix fle flu foc for for for fra fre Fre fri fun fuz Gal gal gal Gam gau Gay gen Geo geo geo geo gim glo gov gra gra gra gra gre gro Gun hab hal han Har haz hea hel hel Hen Her het Hig hil hol Hoo hor hou Hub hum hyd hyd hyd hyp hys ide ign ima imp imp inc inc ind Ind inf inf inf inf inn ins ins int int int int int int int int inv ion ion Irr iso iso iso jan jit Jul jus Kel ker kin kni La lam lan Lap las lat Lay Led Len let lif lig lin lin lin liq Lit loc log lon lou low lum lun Lym M d Mag mag mag mag mag mag maj man mar mas mas mat mea mea mec mem mer Mes met met mho mic Mie Mil min mis MKS MOd mol Mon moo mot mul mul myo nak Nas nat neb neg neu neu New New nit noi non non nor nor nuc nuc nul nut obj obl obs occ oct off oli oni ope opp opt opt orb ord org orp osc out ove oxi pai Pan par par Par par pas Pav Pel per per per per Per per pha phi pho pho pho phy Pip Pla pla PLA pla ple plu pol pol pol pol pop pos pos pot Pra pre pre pre Pri pri pri pro pro pro pro pro pro pro Pto pul pur 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 rep res res res res ret RHB rid rig ris roc Ros rot rub Rut Sag sam sat sca sca Sch sci Sea sec sec see sel sem sen set Sha sha shi shu sid sil sim sin SIS ski Slo smo Soc sol sol sol sol son sou spa spa spe spe spe sph spi spi Spo squ sta sta sta sta Ste ste ste sto str str str sub sub suc sun sup sup sup sup sur Swa syn syn tab tar tel tem ter tes the the the the Tho thr tid tim Tit top tot tra tra TRA tra tre tri tri tru Tun Tus tym Typ ult unb und uni uni uns upp Urs vac van var Vei Ven ver vic Vir vir vis vol W 4 war wat wav wea wed wet wid win WN2 Wol wri xen yok zen zin > >>

Number of Results: 12955 Search : far
  سنجیدار ِ ریلی   
sanjidâr-e Rayleigh

Fr.: critère de Rayleigh   

A criterion for the instability of a basic swirling flow with an arbitrary dependence of angular velocity Ω(r) on the distance r from the axis of rotation. This states that in → inviscid fluids: Ω(r) < 0 for instability, where Ω = (1/r3) (d/dr)(r4Ω4).

Rayleigh; → criterion.

"nongravitational forces"
  "نیروهای ِ ناگرانشی"   
"niruhâ-ye nâgerâneši" (#)

Fr.: "forces non-gravitationnelles"   

The forces of jets from a comet's nucleus that can cause a rocket-like effect and alter a comet's direction of motion slightly.

non-; → gravitational; → force.

"shadow of the nucleus"
  "سایه‌ی ِ هسته"   
"sâye-ye hasté"

Fr.: "ombre du noyau"   

A dark lane that appears behind the coma in some comets. It is not the shadow of the true nucleus but sometimes may be a region of the near-tail that lies behind the densest part of the inner coma and therefore receives less sunlight.

shadow; → nucleus.

(486958) 2014 MU69
     
(486958) 2014 MU69

Fr.: (486958) 2014 MU69   

A → trans-Neptunian object located in the → Kuiper belt, nicknamed Ultima Thule. It is elongated in shape with estimated dimensions of about 31 by 19 km. NASA's → New Horizons spacecraft conducted a close → flyby of the object on January 1, 2019 just 3,500 km above the object's surface. The images it took show that the object has in fact two distinct lobes. At a heliocentric distance of 44 → astronomical units, (486958) 2014 MU69 is the most distant object ever visited by a spacecraft. It has an → orbital period of 298 years, a small → inclination (~ 2.45°), and a low → eccentricity (0.042).

asteroid designation.

-able, -ble, -ible
  -یی، -پذیر   
-i (#), -pazir (#)

Fr.: -able, -ble, -ible   

Suffix forming adjectives with meanings "capable of, susceptible of, worthy of, tending to."

M.E., from O.Fr., from L. -abilis, -ibilis, from -a- and -i- + -bilis.

The capability suffix -i is added to the infinitive form.
-pazir "receiving, accepting, admitting, having," from paziroftan "to receive, accept, admit," Mid.Pers. padiriftan, padir- "to receive, accept," from Proto-Iranian *pati- + *grab- "to grab, seize, take," Av./O.Pers. grab- "to take, seize;" cp. Skt. grah-, grabh- "to seize, take," graha "seizing, holding, perceiving," M.L.G. grabben "to grab," from P.Gmc. *grab (E. grab); PIE *ghrebh- "to seize."

-aceous
   -آسا   
-âsâ

Fr.: -acé   

A prefix with several meanings: "characterized by," "of the nature of," "belonging to or connected with a division of animals characterized by or of the nature of," "belonging to or connected with a family of plants of the nature of."

From L. --aceus.

-âsâ a suffix denoting "resemblance; nature; relation," from Mid.Pers. suffix -ihâ forming adverbs.

-al
  ۱) -ای، -ور، -مند؛ ۲) -آل، و دیگرها   
1) -i (#), -var (#), -mand (#); 2) -âl (#), various solutions

Fr.: -al   

1) Adjective suffix denoting "of, relating to, or characterized by;" e.g. astronomical, material, equal, final, general, directional, fictional, etc. Variant → -ar.
2) Noun suffix, used with verbs (refusal, rehearsal, etc.) or nouns (canal, etc.).

1) M.E., from O.Fr., from L. -alis
2) M.E. -aille, from O.Fr., from L. -alia, from neuter pl. of -alis.

1) -i, contraction of -ik, → -ic; -var Mid.Pers. -uwar, -war, from O.Pers. -bara, from bar- "to bear, carry," variant -ur; -mand from Mid.Pers. -omand, O.Pers./Av. -mant, cf. Skt. -mant.
2) In Persian, -al, a suffix of attributes and similarity, is used to form adjectives that often become nouns. Sometimes it occurs as -al or -el and may be confounded with -ul and -ulé, → -ule. Its link with L. -alis is not established. Some examples:
dombâl "rear part; continuation; tail," from domb "tail" + -âl,
cangâl "fork; claws," from cang "claw; hook" + -âl,
pušâl "tinder, rubbish," from puc, puk "hollow" + -âl,
ravâl "trend," from row present stem of raftan "to go" + -âl,
xoškâl "dried twigs and leaves of a green tree," from xošk "dry" + -âl,
tofâl "remains of anything squeezed," from tof "saliva" + -âl,
kupâl "club," from kup-, kub(idan) "to beat, strike, pound" + -âl,
gowdâl "hole, pit, low place," from gowd "deep" + -âl,
tâval "blister," from tâv-, tâb-, tâbidan "to become warm, burn," + -al.
kandâl "pit (Qâeni), watercourse, canal (Kordi)," from kand stem of kandan "to dig, pluck, extract" + -âl,
mərdâl (Tâleši Xošabar) "dead," from mərd "to die" + -âl,
capâl "left-handed," from cap "left" + -âl,
gaštal (Laki) "wanderer, vagabond," from gaštan "to turn, return, change, look about" + -al,
kašal (Torbat Heydariye-yi) "elongated," from kašidan "to draw, extend" + -al,
gerdel (Hamadâni, Lori, Qomi) "round, loop," from gerd "round" + -el,
peškel "orbicular dung of sheep," from pešk "dung" + -el.

-ance
   -اگی، -ایگی، -آیی، -ش   
-egi, -igi, -âi, -âyi, -eš

Fr.: -ance   

Suffix used to form nouns either from adjectives of from verbs; it expresses 1) state or condition (brilliance, absorptance); 2) action (e.g. continuance).

M.E., from O.Fr., from L. -antia.

-Egi, -igi, -âi, -âyi, -eš Pers. noun suffixes denoting state, condition.

-ant
     

Fr.: -ant   

Same as → -ent.

-ar
  -یی   
-i

Fr.: -aire   

A suffix of adjectives, meaning "of, relating to, or resembling," as in polar "of or relating to": molecular, "being": spectacular.

M.E., from O.Fr. -er, from L. -aris, variant of -alis, → -al.

-ary
     
-i

Fr.: -aire   

An adjective and noun suffix denoting thing or person belonging to or connected with.

From L. -arius, -aria, -arium "connected with, pertaining to; the man engaged in."

-i, Mid.Pers. -ig, -ik, → -ics.

-ate
  ۱) -آت   
1) -ât (#)

Fr.: 1) -ate   

1) A suffix used in chemical terminology, in particular to indicate a salt of an acid ending in -ic and not beginning with → hydro-, such as silicate, nitrate, sulfate.
2) Verbal suffix denoting "to act upon" (in a specific way), "to cause to become."

1) From M.E. -aten, from L. -atus p.p. ending of 1st conjugable verbs.
2) Very likely from N.L. expressions as plumbum acetatum salt produced by the action of acetic acid on lead.

-cide
   -کشی   
-koši (#)

Fr.: -cide   

A suffix meaning "killer; act of killing." → genocide.

M.E., from L. -cida "cutter, killer," -cidium "act of killing," from combining form -cidere, from caedere "to strike down, kill."

-koši, from koštan "to kill," Mid.Pers. kuštan "to kill, to stuggle;" related to košti "fighting, wrestling;" Av. kuš- "to fight, to struggle" (Cheung 2007).

-cracy
   -سالاری   
-sâlâri

Fr.: -cracie   

A combining form occurring in loanwords from Greek with the meaning "rule, government, governing body." → theocracy.

From Fr. -cratie, from M.L. -cratia, from Gk. -kratia "power, might; rule; authority," from kratos "strength," from PIE *kre-tes- "power, strength," suffixed form of root *kar-/*ker- "→ hard." "hard."

From sâlâr "leader, chieftain, commander;" Mid.Pers. sâlâr "leader, master;" variant of sardâr "commander, chief, general," from sar "chief, → head," + dâr "having, possessor," from dâštan "to have, to possess," Mid.Pers. dâštan; O.Pers./Av. root dar- "to hold, keep back, maintain, keep in mind;" Skt. dhr-, dharma- "law;" Gk. thronos "elevated seat, throne;" L. firmus "firm, stable;" Lith. daryti "to make;" PIE *dher- "to hold, support."

-ence
   -اگی، -ایگی، -آیی   
-egi, -igi, -âi, -âyi

Fr.: -ence   

A noun suffix equivalent to → -ance.

-ance.

-ency
     

Fr.: -ence   

A suffix denoting quality or state.

From L. -entia.

-ent
     

Fr.: -ent   

A suffix with the sense "causing or performing an action or existing in a certain condition." Same as → -ant.

From Fr. -ent and directly from L. -entem (nominative -ens), pr.p. suffix of verbs in -ere/-ire.

-eous
   -ای، -مند، -ناک، -ور   
-i, -mand, -nâk, -var

Fr.: -eux   

An adjective forming suffix with the meanings "ccomposed of, resembling, having the nature of."

-ous.

-er
   -گر، -گار، -کار، -آر، -نده   
-gar (#), -gâr (#), -kâr (#), -âr (#), -andé (#)

Fr.: -eur   

A suffix serving as the regular English formative of agent nouns, being attached to verbs of any origin.

M.E. -er(e), corresponding to L. → -or, O.E. -ere; cf. Ger. -er, Sw. -are, Dan. -ere.

-or.

-escence
   -استی   
-esti

Fr.: -escence   

A suffix denoting "action, process, state, or condition," and corresponding to adjectives ending in -escent. → luminescence.

From L. -escentia, from escens, from esse "to be," → existence, + -ia

-esti, noun from -est, variant of ast, hast "is, → exists," cognate with L. -escence, as above.

<< < -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 diu dog Dop dou Dra dua dus dwa dyn e-f Ear ecl eco edu eig Ein ela ele ele ele Ele elo emi emp ene Enl env epi equ equ Eri est Euc eva evo exc exc exh Exo exp exp ext ext f(R fac fam fat fee Fer Fib fig fin fir fix fle flu foc for for for fra fre Fre fri fun fuz Gal gal gal Gam gau Gay gen Geo geo geo geo gim glo gov gra gra gra gra gre gro Gun hab hal han Har haz hea hel hel Hen Her het Hig hil hol Hoo hor hou Hub hum hyd hyd hyd hyp hys ide ign ima imp imp inc inc ind Ind inf inf inf inf inn ins ins int int int int int int int int inv ion ion Irr iso iso iso jan jit Jul jus Kel ker kin kni La lam lan Lap las lat Lay Led Len let lif lig lin lin lin liq Lit loc log lon lou low lum lun Lym M d Mag mag mag mag mag mag maj man mar mas mas mat mea mea mec mem mer Mes met met mho mic Mie Mil min mis MKS MOd mol Mon moo mot mul mul myo nak Nas nat neb neg neu neu New New nit noi non non nor nor nuc nuc nul nut obj obl obs occ oct off oli oni ope opp opt opt orb ord org orp osc out ove oxi pai Pan par par Par par pas Pav Pel per per per per Per per pha phi pho pho pho phy Pip Pla pla PLA pla ple plu pol pol pol pol pop pos pos pot Pra pre pre pre Pri pri pri pro pro pro pro pro pro pro Pto pul pur 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 rep res res res res ret RHB rid rig ris roc Ros rot rub Rut Sag sam sat sca sca Sch sci Sea sec sec see sel sem sen set Sha sha shi shu sid sil sim sin SIS ski Slo smo Soc sol sol sol sol son sou spa spa spe spe spe sph spi spi Spo squ sta sta sta sta Ste ste ste sto str str str sub sub suc sun sup sup sup sup sur Swa syn syn tab tar tel tem ter tes the the the the Tho thr tid tim Tit top tot tra tra TRA tra tre tri tri tru Tun Tus tym Typ ult unb und uni uni uns upp Urs vac van var Vei Ven ver vic Vir vir vis vol W 4 war wat wav wea wed wet wid win WN2 Wol wri xen yok zen zin > >>