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
sur-
  بر-، ابر-، رو-   
bar-, abar-, ru-

Fr.: sur-   

A prefix meaning "over, above, beyond, in addition," occurring mainly in loanwords from Fr.

From O.Fr. sour-, sor-, sur-, from L. → super-.

Bar-, abar-, → super-; ru-, ruy- "face, surface; aspect; appearance," variant rox (Mid.Pers. rôy, rôdh "face;" Av. raoδa- "growth," in plural form "appearance," from raod- "to grow, sprout, shoot;" cf. Skt. róha- "rising, height").

sure
  تنز   
tenz

Fr.: sûr   

Free from doubt as to the reliability, character, action, etc., of something (Dictionary.com).

M.E. sur(e), from M.Fr. sur, O.Fr. seur "safe, secure; trustworthy," from L. securus "free from care, untroubled, safe," from *se cura, from se "free from" + cura "care."

Tenz, from (Fine-e Bandar Abbâs) tenz "firm, fixed, solid," variant tereng; (Tabari) tereng, təreq "firm, fixed;" (Baxtiyâri) teng "firm;" cf. Baluci tranj-, dranjit, tranjit/drannj-, draht, dratk "to hang up;" ultimately from Proto-Ir. *dra(n)j- "to fix, fasten, hold;" Av. drənj- (draž-) "to fix, fasten, hold;" Parthian (*abi-) 'bdrynj- "to be sure, secure; make certain;" Khotanese drys- "to hold;" cognate with Gk. drassomai "I hold (with the hand), take;" O.Irish dringid "he climbs;" M.Welsh dringo "to climb;" PIE *dregh- "to hold, fasten."

surely
  تنزانه   
tenzâné

Fr.: sûrement   

Without doub; certainly; to be sure; for sure.

sure; → -ly.

surety
  اتیماری   
atimâri

Fr.: caution, garantie, sureté   

1) Security against loss or damage or for the fulfillment of an obligation, the payment of a debt, etc.; a pledge, guaranty, or bond.
2) The state or quality of being sure (Dictionary.com).

M.E. surte, from M.Fr., from O.Fr. seurte "a promise, pledge, guarantee; assurance, confidence;" from L. securitas "freedom from care or danger, safety," from securus, → secure.

surface
  رویه   
ruyé (#)

Fr.: surface   

1) The outer face, outside, or exterior boundary of a thing; outermost or uppermost layer or area.
2) Math.: An infinite aggregate of points constituting space of two dimensions; part or all of the boundary of a solid.

sur-; → face.

surface brightness
  درخشندگی ِ رویه، ~ رویه‌ای   
deraxandegi-ye ruyé, ~ ruye-yi

Fr.: brillance de surface   

The brightness of an extended object, such as a planet, nebula, galaxy, or the sky background, expressed as magnitudes per unit area (usually square arc second). Surface brightness is calculated by dividing the object's magnitude by its size (→ isophotal radius).

surface; → brightness.

surface current
  جریان ِ رویه‌ای   
jarayân-e ruye-yi

Fr.: courant de surface   

A current whose core of maximum velocity is near the surface.

surface; → current.

surface density
  چگالی ِ رویه‌ای   
cagâli-ye ruye-yi

Fr.: densité de surface   

The amount of a quantity distributed over a surface area divided by the area, such as a surface-charge density.

surface; → density.

surface gravity
  گرانی ِ رویه، ~ رویه‌ای   
gerâni-ye ruyé, ~ ruye-yi

Fr.: gravité de surface   

1) The rate at which a small object in free fall near the surface of a body is accelerated by the gravitational force of the body: g = GM / R2, where G is the gravitational constant, and M and R are the mass and radius of the object. The surface gravity of Earth is equal to 980 cm s-2.
2) → black hole surface gravity.

surface; → gravity.

surface of last scattering
  رویه‌ی ِ واپسین پراکنش   
ruye-ye vâpasin parâkaneš

Fr.: surface de dernière diffusion   

Same as → last scattering surface.

surface; → last; → scattering.

surface temperature
  دما‌ی ِ رویه، ~ رویه‌ای   
damâ-ye ruyé, ~ ruye-yi

Fr.: température de surface   

1) For a star, same as → effective temperature.
2) Meteo.: The air temperature at or near the earth's surface.

surface; → temperature.

surface tension
  تنش ِ رویه‌ای   
taeš-e ruye-yi

Fr.: tension superficielle   

The inward → attraction of the → molecules at the → surface of a → liquid. The reason is that the molecules at the surface do not have other like molecules on all sides of them and consequently they cohere more strongly to those directly associated with them on the surface. Also called surface energy and capillary forces.

surface; → tension.

surge
  برونتاز   
boruntâz

Fr.: surge   

Electricity: A sudden rush or burst of current or voltage.
Sun: A jet of material from an active region that reaches coronal heights and then either fades or returns into the chromosphere along the trajectory of ascent.

From M.Fr. sourgir "to rise, swell," from L. surgere "to rise, spring out" from → sub- "up from below" + regere "to keep straight, guide," cognate with Pers. râst, → right.

Boruntâz, from borun "out, the outside," → out, + tâz present stem of tâxtan, tâzidan "to run; to hasten; to assault" (Mid.Pers. tak "assault, attack;" Av. taka- "leap, run," from tak- "to run, flow;" cf. Skt. tak- "to rush, to hurry," takti "runs;" O.Ir. tech- "to flow;" Lith. teketi "to walk, to flow;" O.C.S. tešti "to walk, to hurry;" Tokharian B cake "river;" PIE base *tekw- "to run; to flow").

surjection
  برشانش   
baršâneš

Fr.: surjection   

A mapping f of a set A onto a set B in such a way that every b element of B is the image of at least one element a of A. In other words, for any element b of B, the equation f(a) = b yields at least one solution. Allso called → surjective mapping.

From → sur- + → injection.

surjective
  برشانی   
baršâni

Fr.: surjectif   

Of or pertaining to a → surjection.

sur-; → injection.

surjective mapping
  همتایش ِ برشانی   
hamtâyeš-e baršâni

Fr.: application surjective   

Same as → surjection.

surjective; → mapping.

surmise
  ۱) راخه؛ ۲) راخیدن   
1) râxé (#); 2) râxidan

Fr.: 1) conjecture; 2) conjecturer, présemer   

1) A → conjecture or → guess.
2) To conjecture or guess.

M.E. surmisen, from O.Fr. surmis "accusation," noun use of p.p. of surmettre "to accuse," from → sur- + mettre "put," from L. mittere, → mission.

Râxé, from râx (Dehxodâ) "conjecture, opinion; sorrow, sadness."

survey
  ۱، ۲) بردید؛ ۳) بردید کردن   
1, 2) bardid; 3) bardid kardan

Fr.: 1, 2) relevé; 3) relever   

1) General: A general or comprehensive view; a detailed inspection or investigation.
2) Astro.: The observation and recording of large extents of the sky with a particular instrument using one or more wavelengths in the same spectral domain. → all-sky survey; → infrared survey; → redshift survey; → photographic survey.
3) To conduct a survey of.

M.E. surveien, from M.Fr. surv(e)eir, surveoir "to oversee," from L. supervidere, from → super- + videre "to look;" cognate with Pers. bin present stem of didan "to see;" Mid.Pers. wyn-; O.Pers. vain- "to see;" Av. vaēn- "to see;" cf. Skt. veda "I know;" Gk. oida "I know," idein "to see;" L. videre "to see;" PIE base *weid- "to know, to see."

Bardid from bar- "up; upon; on; in; into; at; forth; with; near; before; according to" (Mid.Pers. abar; O.Pers. upariy "above; over, upon, according to;" Av. upairi "above, over," upairi.zəma- "located above the earth;" cf. Gk. hyper- "over, above;" L. super-; O.H.G. ubir "over;" PIE base *uper "over") + did past stem of didan "to see" (Mid.Pers. ditan "to see, regard, catch sight of, contemplate, experience;" O.Pers. dī- "to see;" Av. dā(y)- "to see," didāti "sees;" cf. Skt. dhī- "to perceive, think, ponder; thought, reflection, meditation," dādhye; Gk. dedorka "have seen").

surveyor
  بردیدگر   
bardidgar

Fr.: 1) arpenteur-géomètre   

1) A person whose occupation is taking accurate measurements of land areas in order to determine boundaries, elevations, and dimensions.
2) One of a series of space probes (1966-1968) that analyzed lunar soil and obtained other scientific information after soft-landing on the Moon.

survey; → -or.

survival
  برزیوش   
barziveš

Fr.: survie   

The act or fact of surviving, especially under adverse or unusual circumstances (Dictionary.com).

survive; → -al.

<< < -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 > >>