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
blend lines
  خطهای ِ توهم، تانهای ِ ~   
xatthâ-ye tuham, tânhâ-ye ~

Fr.: raies mélangées   

Spectral lines intermingled.

blend; → line.

blind
  کور   
kur (#)

Fr.: aveugle   

Unable to see; sightless.

M.E., from O.E. blind "blind," akin to Du., Ger. blind, O.N. blindr, Goth. blinds "blind."

Kur "blind," variants kul "squint-eyed," kolok, kalek, kelek, kalâž, kâž, kâj, kâc "squint-eyed," Lori, Laki, Kurd. xêl "cross-eyed, squinting;" Mid.Pers. kôr "blind;" akin to O.Irish coll "one-eyed;" M.Irish goll "blind;" Gk. (Hes.) kellas "one-eyed;" Skt. kāná- "blind of one eye;" PIE *kolnos "one-eyed." The Pers. luc "crossed-eyed" may be related to a separate group containing L. lusca, luscus "one-eyed" (Fr. louche "squinting").

blindness
  کوری   
kuri (#)

Fr.: cécité   

The state or condition of being sightless.

blind; → -ness.

blink
  مژیدن   
možidan

Fr.: clignoter   

1) To close and open the eyes rapidly.
2) To shine intermittently; flash on and off.

M.E. blinken, variant of blenken "to blench;" cf. Du. and Ger. blinken.

Možidan, from možé "eyelash," Mid.Pers. mec "eyelash," mecitan "to blink," cf. Skt. mes "to open the eyes," O.C.S. po-mežiti "to close the eyes." → twinkling.

blink comparator
  هم‌سنجگر ِ مژشی   
hamsanjgar-e možeši

Fr.: comparateur à clignotement   

An instrument for comparing two photographs of the same stellar field, taken at different times, by quickly alternating from one to the other. The purpose of the comparison is to detect subtle changes in the position or brightness of the stars.

blink; → comparator.

Hamsanjgar, → comparator; možeš noun from možidan, → blink.

blinking
  مژش   
možeš

Fr.: clignotement   

An intermittent appearance of a group of characters on the display terminal, usually used to convey a message to the user.

Blinking, noun from to blink.

Možeš, noun from možidan, → blink (v).

blister
  تاول   
tâval (#)

Fr.: ampoule   

A small cyst on the skin, containing watery liquid, as from a burn or other injury.

M.E. blister, blester, from O.Fr. blestre, of Germanic origin.

Tâval "blister" (variants Torbet-Heydariye-yi toval, Guqari tavol), from suffixed (-al) tâv- tav, taf- "to heat, burn, shine," variant of tâb-, tâbidan "to shine," → luminous.

blister model
  مدل ِ تاول   
model-e tâval

Fr.: modèle d'ampoule   

A model according to which an → H II region is a hot mass of ionized gas located on the surface of a → molecular cloud, like a blister on the body skin.

blister; → model.

blitzar
  درخشار، بلیتزار   
deraxšâr, blitzâr

Fr.: blitzar   

A new type of astronomical object, appearing as an intense → burst of → radio emission, proposed to explain → fast radio bursts. In some models, blitzars result from the sudden → collapse of a hypothetical → supermassive neutron star.

From Ger. Blitz, "→ flash, lightening," + -âr ending component, as in → pulsar.

blizzard
  دمه   
damé (#)

Fr.: blizzard   

A severe weather condition characterized by high winds (at least 55 km/h) and reduced visibility due to violent snowstorm.

Blizzard, of unknown origin.

Damé "wind and snow storm."

blob
  ژیگ   
žig

Fr.: tache, concentration, condensation   

1) General: Drop of liquid; small round mass (e.g. wax); spot of color.
2) Astro.: A relatively → small, → unresolved source lying toward a much larger structure. → high-excitation blob.

From M.E. bubelen "to bubble."

Žig "drop," probably from žohidan "to drop," variant of cakidan "to drop."

blood
  خون   
xun (#)

Fr.: sang   

The red liquid that circulates in the arteries and veins of humans and other vertebrate animals, carrying oxygen to and carbon dioxide from the tissues of the body (OxfordDictionaries.com).

M.E. blo(o)d, O.E. blôd; akin to O.Frisian, O.Saxon blôd, O.H.G. bluot (Ger. Blut), Gothic bloth.

Xun, from Mid.Pers. xûn; cf. Sogd. xurn, Khotanese hûna, Yaghnobi waxin, Av. vohunī,

blooming
  سرریز   
sar-riz

Fr.: blooming, bavure   

In a → CCD detector, the spill of charge to adjacent → pixels due to over-illumination by a too bright source. Same as charge bleeding.

Blooming "glare," from to bloom "to glare, glow."

Sar-riz "spill-out, overflowing," from sar "top," → head, + riz "pouring," from rixtan "to pour," → overflow.

blow
  دمیدن   
damidan (#)

Fr.: souffler   

1) To move along, carried by or as by the wind.
2) To produce or emit a current of air, as with the mouth or a bellows.
3) Of a horn, trumpet, etc.) to give out sound.
4) To make a blowing sound; whistle (Dictionary.com).

M.E., from O.E. blawan "blow, breathe, make an air current; kindle; inflate; sound a wind instrument;" cf. O.H.G. blaen, Ger. blähen; from PIE *bhle- "to swell, blow up."

Damidan, from Mid.Pers. damidan "to blow, breathe;" dam "breath, breath of an owen; bellows; smoke; air," also "moment, time;" Av. dāδmainya- "blowing up;" cf. Skt. dahm- "to blow," dhámati "blows;" Gk. themeros "austere, dark-looking;" Lith. dumti "to blow;" PIE dhem-/dhemə- "to smoke, to blow."

blue
  آبی   
âbi (#)

Fr.: bleu   

The hue of that portion of the visible spectrum lying between green and indigo, evoked in the human observer by radiant energy with wavelengths of approximately 420 to 490 nanometers.

From O.Fr. bleu, P.Gmc. *blæwaz, from PIE base *bhle-was "light-colored, blue, blond, yellow."

Âbi "color of water," from âb "water," Mid.Pers. âb, O.Pers./Av. âp-, Skt. âp-, PIE *âp-; → Aquarius.

blue compact dwarf galaxy
  کهکشان ِ کوتوله‌ی ِ آبی ِ همپک   
kahkešân-e kutule-ye âbi-ye hampak

Fr.: galaxie naine bleue compacte   

An small → irregular galaxy undergoing → violent star formation activity. These objects appear blue by reason of containing clusters of hot, → massive stars which ionize the surrounding interstellar gas. They are chemically unevolved since their → metallicity is only 1/3 to 1/30 of the solar value. Same as → H II galaxy.

blue; → compact; → dwarf; → galaxy.

blue continuum
  پیوستار ِ آبی   
peyvastâr-e âbi

Fr.: continuum bleu   

The → continuum emission of an astronomical source with wavelengths between about 492 and 455 nm.

blue; → continuum.

blue giant
  غول ِ آبی   
qul-e âbi

Fr.: géante bleue   

A giant star with spectral type O or B.

blue; → giant.

Qul, → giant; âbi, → blue.

blue halo star
  ستارگان ِ آبی ِ هاله   
setâregân-e âbi-ye hâlé

Fr.: étoiles bleues du halo   

A star belonging to a variety of stars located above the → horizontal branch and blueward of the → red giant branch in the → Hertzsprung-Russell diagram of the → halo population.

blue; → halo; → star.

Setâregân plural of setâré, → star, âbi, → blue, hâlé, → halo.

blue HB star
  ستاره‌ی ِ BHB   
setâre-ye BHB

Fr.: étoile BHB   

Same as → blue horizontal branch star.

blue; → horizontal; → branch; → star.

<< < -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 > >>