An Etymological Dictionary of Astronomy and Astrophysics
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فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 13116 Search : far
responsible
  پاسخدار   
pâsoxdâr

Fr.: responsable   

1) Answerable or accountable, as for something within one's power, control, or management.
2) Involving accountability or responsibility (Dictionary.com).

response; → -able.

responsive
  پاسخنده   
pâsoxandé

Fr.: responsif, qui réagit bien   

1) Responding especially readily and sympathetically to appeals, efforts, influences, etc.
2) Physiology: Acting in response, as to some stimulus.
3) Characterized by the use of responses (Dictionary.com).

response; → -ive.

responsivity
  پاسخندگی   
pâsoxandegi

Fr.: responsivité   

A performance criterion for an electronic detector, the ratio of the detector's electrical output to its optical input.

responsive; → -ity.

rest
  آرَم   
âram

Fr.: au repos   

Cessation or absence of motion. → rest energy; → rest mass.

M.E.; O.E. ræste, reste "rest, bed, intermission of labor, mental peace," akin to O.H.G. rasta "league of miles," O.N. rost "league, distance after which one rests."

Âram, variant of ârâm "rest, quiet, tranquility;" Mid.Pers. râm "peace," râmenidan "to give peace, pleasure," râmišn "peace, pleasure;" Av. ram- "to stay, rest;" cf. Skt. ram- "to stop, stand still, rest, become appeased;" Gk. erema "quietly, gently;" Goth. rimis "rest;" Lith. rãmas "rest."

rest energy
  کاروژ ِ آرَم   
kâruž-e âram

Fr.: énergie au repos   

The energy which a particle has when it is at rest. According to Einstein's → mass-energy relation, it is equal to the → rest mass times the square of the → speed of light: E = mc2.

rest; → energy.

rest frame
  چارچوب ِ آرم   
cârcub-e âram

Fr.: référentiel au repos, repère ~   

The → frame of reference with respect to which an object or observer is at rest. A clock in that particular rest frame registers what is by definition → proper time. See also → moving frame.

rest; → frame.

rest mass
  جرم ِ آرَم   
jerm-e âram

Fr.: masse au repos   

The → inertial mass that an object has when it is at rest relative to an observer.

rest; → mass.

rest-mass energy
  کاروژ ِ جرم ِ آرَم   
kâruž-e jerm-e âram

Fr.: énergie au repos   

Same as → rest energy.

rest; → mass; → energy.

restoration
  بازسازی، بازگردانش   
bâzsâzi (#), bâzgardâneš

Fr.: restauration   

The act or process of restoring such as → image restoration.

Verbal noun of → restore.

restore
  بازساختن، بازگرداندن   
bâzsâxtan, bâzgardândan

Fr.: restaurer   

1) To bring back into existence, use, or the like; reestablish.
2) To bring back to a former, original, or normal condition, as a building, statue, or painting (Dictionary.com).

M.E., from O.Fr. restorer, from L. restaurare "repair, rebuild, renew," from → re- "back, again" + -staurare, from PIE root *sta- "to stand, set down, make or be firm," → state.

Bâzsâxtan, from bâz- "back, again," → re-, + sâxtan "to build, make, fashion; to adapt, adjust, be fit" (from Mid.Pers. sâxtan, sâz-, Manichean Parthian s'c'dn "to prepare, to form;" Av. sak- "to understand, to mark," sâcaya- (causative) "to teach").
Bâzgardândan, from bâz-+ gardândan "to turn (around)," accusative of gardidan, gaštan "to change, to turn, → revolve."

restored image
  وینه‌ی ِ بازساخته، تصویر ِ ~   
vine-ye bâzsâxté, tasvir-e ~

Fr.: image restaurée   

An image that has been upgraded by a process of → image restoration.

Restored, p;p. of restore, → restoration; → image.

Tasvir, → image; bâzsâxté, p.p. of bâzsâxtan, → restoration.

restoring force
  نیروی ِ بازگردان، ~ بازساز   
niru-ye, bâzgardân, ~ bâzsâz

Fr.: force de rappel   

A force that comes into play after a system is perturbed away from the equilibrium, tending to bring the system back the equilibrium position. For example, when a pendulum is displaced from its equilibrium position, it is subject to a restoring force due to gravity that will accelerate it back toward the equilibrium position. The restoring force combined with the pendulum's mass causes it to oscillate about the equilibrium position.

restore; → force.

restrain
  بازداشتن   
bâzdâštan (#)

Fr.: restreindre   

To hold back from action; keep in check; repress; to limit or hamper the activity, or effect of.

M.E. restreynen, from O.Fr. restreindre "press, push together; curb, bridle;" from L. restringere "to draw back tightly, confine," from → re- "back" + stringere "draw tight," → strain.

Bâzdâštan, from bâz- prefix denoting "reversal, opposition," → re-, + dâštan "to hold," → property.

restrict
  فروداشتن، فروداریدن   
forudâštan, forudâridan

Fr.: restreindre   

To confine or keep within limits. → restricted three-body problem.

From L. restrictus, p.p. of restringere "to restrict, bind fast, restrain," from → re- "back" + stringere "to draw tight."

Forudâštan "to keep down, hold under control, bring to a halt" (Steingass, Dehxodâ), from foru- "down, downward," → de-, + dâšt past stem of dâštan "to have, to possess" (Mid.Pers. dâštan; O.Pers./Av. root dar- "to hold, keep back, maintain, keep in mind;" cf. Skt. dhr-, dharma- "law;" Gk. thronos "elevated seat, throne;" L. firmus "firm, stable;" Lith. daryti "to make;" PIE *dher- "to hold, support") + -an infinitive suffix.
Forudâridan, from foru- + dâr present stem of dâštan + -idan

restricted three-body problem
  پراسه‌ی ِ سه‌جسم ِ فروداریده   
parâse-ye seh jesm-e forudâridé

Fr.: problème restreint à trois corps   

A special case of the → three-body problem in which the → mass of one of the bodies is negligible compared to that of the two others. If the relative motion of the two massive components is a circle, the situation is referred to as the → circular restricted three-body problem. An example would be a space probe moving in the → gravitational fields of the → Earth and the → Moon, which revolve very nearly in circles about their common → center of mass.

restrict; → three; → body; → problem.

restriction
  فرودارش   
forudâreš

Fr.: restriction   

The act of restricting, the state or the condition of being restricted.

Verbal noun, → restrict + → -tion.

result
  بر‌آیه   
barâyé

Fr.: résultat   

General: Something that happens as a consequence; outcome.
Math.: A quantity, expression, etc., obtained by calculation. → resultant.

M.E. resulten (v.); L. resultare "to result," in classical L. "to spring forward, rebound," frequentative of p.p. of resilire "to rebound," from re- "back" + salire "to jump, leap."

Barâyé, literally "upcoming," from bar- "on; up; upon; 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") + ây- present stem of âmadan "to come, arrive, become" (Av. ay- "to go, to come," aēiti "goes;" O.Pers. aitiy "goes;" Skt. e- "to come near," eti "arrival;" L. ire "to go;" Goth. iddja "went," Lith. eiti "to go;" Rus. idti "to go") + -e nuance suffix.

resultant
  بر‌آیند   
barâyand (#)

Fr.: résultante   

Physics: The single vector obtained by applying vector addition to two or more given vectors.

M.E., n. use of L. resultant-, pr.p. of resultare, → result.

Barâyand, from bar, → result, + -âyand short for âyandé agent noun of âmadan "to come, arrive, become," → result.

resultant acceleration
  شتاب ِ بر‌آیند   
šetâb-e barâyand (#)

Fr.: accélération résultante   

An acceleration that results from the vector addition of two or more distinct accelerations.

resultant; → acceleration.

resultant force
  نیروی ِ بر‌آیند   
niru-ye barâyand (#)

Fr.: force résultante   

A single force which has the same effect as all other applied forces collectively.

resultant; → force.

<< < -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 > >>