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: 13116 Search : far
resign
  واگامیدن   
vâgâmidan

Fr.: démisionner   

To give up an office or position, often formally.

M.E. resignen "give up, surrender, abandon; relinquish," from O.Fr. resigner "renounce, relinquish," from L. resignare "to check off, cancel, give back, give up," from → re- "opposite" + signare "to make an entry in an account book," literally "to mark;" → sign.

Vâgâmidan, literally "to step back," from vâ-re- + gâmidan "to step, go, → walk."

resignation
  واگامش   
vâgâmeš

Fr.: démision   

The act of resigning.

Verbal noun from → resign.

resist
  بر‌ایستادن، ایستادگی کردن   
baristâdan (#), istâdegi kardan (#)

Fr.: résister   

To withstand the action or effect of; to strive against, or oppose.

M.E. resisten, O.Fr. resister, from L. resistere "to resist, to stand back, withstand," from → re- "against" + sistere "take a stand, stand firm," cognate with Pers. istâdan, as below.

Baristâdan "to withstand, to stand in opposition," from bar- opposition prefix, → object, + istâdan "to stand," → solstice.
Istâdegi kardan, composite verb, from istâdegi "resistance," state noun from istâdan, + kardan "to do, to make," → -or.

resistance
  بر‌ایستگری، ایستادگی   
baristgari, istâdegi (#)

Fr.: résistance   

1) General: The act or power of resisting, opposing, or withstanding.
2) Electricity: A property of a conductor by virtue of which the passage of current is opposed, causing electric energy to be transformed into heat. It is the quantity that determines the current that results due to a voltage in a simple circuit. For a fixed voltage, if the resistance increases, the current decreases. It is given by the equation R = ΔV/I, where ΔV is the voltage difference and I the current. Resistance has the SI units volts per ampere, called → ohm.

From → resist + -ance a suffix used to form nouns either from adjectives in -ant or from verbs.

Baristgari, from baristgar, → resistant.
Istâdegi "resistance," state noun from istâdé "stood," p.p. of istâdan "to stand," → resist.

resistant
  بر‌ایست‌گر، ایستادگی‌گر   
baristgar, istâdegigar

Fr.: résistant   

1) Characterized by or showing resistance.
2) A person or thing that resists.

Present participle of → resist, with -ant a suffix forming adjectives and nouns from verbs.

Baristgar, from barist present stem of baristâdan, → resist, + -gar, agent suffix, → -or.
Istâdegigar, from istâdegi, → resistance, + -gar.

resistive
  بر‌ایست‌مند   
baristmand

Fr.: résistif   

Capable of or inclined to resistance; resisting.

From resist, → resistance, + → -ive.

Baristmand, from barist present stem of baristâdan, → resist + -mand possession suffix, → -ist.

resistivity
  بر‌ایست‌مندی   
baristmandi

Fr.: resistivité   

A property of a → conductor which is defined as the ratio of the → electric intensity (E) to the → current density (J): ρ = E/J. The greater the resistivity, the greater the intensity needed to establish a given current density, or the smaller the current density for a given intensity. A "perfect" conductor would have zero resistivity, and a "perfect" → insulator an infinite resistivity.

From → resistive + → -ity.

resistor
  بر‌ایستنده   
baristandé

Fr.: résistance   

An electrical component used to introduce a known value of resistance into a circuit.

resist; → -or.

resolution
  واگشود   
vâgošud

Fr.: résolution   

1) The degree to which an → optical system renders visible separate parts of an object. Also known as → angular resolution and → spatial resolution. See also → spectral resolution.
2) The time interval between successive discernible signals. → temporal resolution.

Verbal noun of → resolve.

resolution of a force
  واگشود ِ نیرو   
vâgošud-e niru

Fr.: résolution de force   

Finding the → components of a → force which act in specified → directions.

resolution; → force.

resolve
  واگشودن   
vâgošudan

Fr.: résoudre   

To separate and make visible the individual parts of an → image or → spectral feature.

M.E. resolven, from L. resolvere "to loosen, undo, settle," from → re- + solvere "to loosen," → solve.

Vâgošudan, from prefix vâ-, → re-, + gošudan, gošâdan "to loose, open up, let free;" gošâd "opened; ample, broad;" Mid.Pers. wišâdan "to let free;" Khotanese hīyā "bound;" O.Pers. višta "untied, loosened," vištāspa- "with loosened horses" (personal name); Av. višta "untied," ā-hišāiiā "holds fettered," hita- "fastened, tied on, put to;" cf. Skt. sā- "to bind, fasten, fetter," sitá- "bound," ví-sita- "untied."

resolved
  واگشوده   
vâgošudé

Fr.: résolu   

Separated and made visible in an → image or → spectral feature. → resolved line.

Past participle of → resolve.

resolved line
  خط ِ واگشوده   
xatt-e vâgošudé

Fr.: raie résolue   

A → spectral line that is not contaminated by other nearby lines.

resolved; → line.

resolving power
  توان ِ واگشود   
tavân-e vâgošud

Fr.: pouvoir de résolution, pouvoir séparateur   

A measure of an optical system's ability to produce an image which separates two points or parallel lines on the object.

Resolving verbal adj. of → resolve; → power.

resonance
  باز‌آوایی   
bâzâvâyi (#)

Fr.: résonance   

1) The state of a → mechanical system in which the → amplitude of → oscillation is increased when it is subjected to stimulus from another source at or near its own natural → frequency.
2) The condition of an electrical circuit with respect to a given frequency in which the net reactance is zero and the current flow a maximum.
3) A relationship in which the → orbital period of one body is related to that of another by a simple integer fraction, such as 1/2, 2/3, 3/5. → Laplace resonance, → Lindblad resonance, → resonance orbit .
4) → resonance particle.

Resonance, from M.Fr. resonance, from L. resonantia "echo," from resonare "to resound," from re- "again, back" + sonare "to sound."

Bâzâvâyi, from bâz- "again, back," → re-, + âvâ "voice, sound" (related to âvâz "voice, sound, song," bâng "voice, sound, clamour" (Mid.Pers. vâng), vâžé "word;" Av. vacah- "word," vaocanghê "to decalre" (by means of speech), from vac- "to speak, say;" cf. Skt. vakti "speaks, says," vacas- "word;" Gk. epos "word;" L. vox "voice;" PIE base *wek- "to speak") + -yi noun suffix.

resonance capture
  گیر-اُفت ِ باز‌آوایی   
gir-oft-e bâzâvâyi

Fr.: capture résonante   

Capture by an atomic nucleus of a particle whose energy is equal to one of the energy levels of the nucleus.

resonance; → capture.

resonance frequency
  بسامد ِ باز‌آوایی   
basâmad-e bâzâvâyi

Fr.: fréquence de résonance   

The frequency at which a system is in → resonance.

resonance; → frequency.

resonance line
  خط ِ باز‌آوایی   
xatt-e bâzâvâyi

Fr.: raie de résonance   

For a particular atom, the spectral line corresponding to the longest wavelength arising from a transition between the ground state and an excited state.

resonance; → line.

resonance orbit
  مدار ِ باز‌آوایی   
madâr-e bâzâvâyi

Fr.: orbite de résonance   

An orbit which is in → orbital resonance with another orbit.

resonance; → orbit.

resonance particle
  ذرّه‌ی ِ باز‌آوایی   
zarre-e bâzâvâyi

Fr.: particule de résonance   

A hadronic particle which exists for only a very brief time (10-23 seconds) before decaying into hadrons; also called resonance. The existence of a resonance cannot be observed directly; it can only be inferred from studying the longer-lived products of its decay.

resonance; → particle.

<< < -es -iv -ti 21 a p abe abs abs aca acc acc acr act ada adh Adr aer aga air Alf Alg alk Alp alt alu amm ana And ang ani ano ant ant Ap apo app app Aqu Arc arg arr asc ass ast ast asy atm ato att aur aut axi B-m bad Bal bar bar Bay Bed ber Bet bif bim bin bio bis bla ble blu Bod Bol bor bou Bra Bre bro bul C-t Cal Cam can car Car Cas cat cav cel cen cer Cha cha Cha che chl Cir cir cir Cla cli clo clu co- coc 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 Cre cri cro cub cur cyc cyl Dan dat Dav de- Deb dec dec dee def deg del Den den der det deu dew dic dif dif dil Dip dir dis dis dis dis dis diu dod Dop dou Dra dua dus dwa dyn DZ Ear ecc eco edi EHB Ein ela ele ele ele ele ell eme emp end Eng ent epi equ equ era ESP eth Eur evi exa exc exe exi exp exp ext ext ext fac fal far fec Fer fer fie fin fir fis fla Flo flu fog for for Fou fra fre fre Fro fun G s Gal gal gal Gar gau geg gen geo geo geo ger gla gly gra gra gra gra gra Gre gro GYR Had Hal hap Har HD hea hel hel Hen Her hex hig Hil hol Hoo hor hou Hub hum hyb hyd hyd hyp hys ide ign ima imp imp in- inc Ind ind ine inf inf inf ini ins ins ins int int int int Int int int int inv ion iri irr iso iso iso Jea Jor jum K c Kep Ker kin kno lab Lam Lan Lap las lat Le lef len lev lig lig lin lin lin liq Lit loc log lon lou LS lun lun Lym M s Mag mag mag mag mag mag maj man Mar mas mas mat May mea mec mel mer mes met met met mic mid mil Min Mir mix mod mod mol mon mor mov mul mur mys nan nat nav nec Nep neu New New NGC nob nom non non nor nos nuc nuc num nut obj obl obs occ oct off oli oni ope opp opt opt orb ord org orp osc out ove oxi P-w pal par par par par Pas pat pej per per per per per per pha Phe pho pho pho phy pin pla Pla pla pla pla plu poi pol pol Pol pol por pos pot Poy pre pre pre pre pri pri pri pro pro pro pro pro pro Psa pul pum Q i qua qua qua qua R A rad rad rad rad rad rad Ram Ran rat rea rea rec rec red red ref ref reg rei rel rel rem rep res res res ret rev Rho Rie ril riv rog Ros rot rul S A Sag sam sat sca sca Sch Sco Sec sec sec seg sel sem sen set Sha sha shi sho sid sig sim sin Sir ske sli Smo soc sof sol sol sol sol sou sou spa spe spe Spe spe sph spi Spi spr sta sta sta sta sta ste ste ste Sto str str sub sub sub suc sun sup sup sup sup sur swa syn syn tac tas tel tem ter tes the the the the thi thr tid til tip ton tor tou tra tra tra tra Tri tri tru tsu tur two Typ UHE ult unc uni uni uni upg 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 > >>