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
refute
  واکوتیدن   
vâkutidan

Fr.: réfuter   

To prove to be false or erroneous, as an opinion or charge. According to Karl Popper (1902-1994), a theory that cannot be refuted is not scientific. Related words: → falsify, → reject, → repulse, → recoil; → refuse.

From L. refutare "drive back, repress, repel," from → re- "back" + futare "to beat," probably from PIE base *bhau- "to strike down"

Vâkutidan, from vâ- "back," → re-, + kutidan (Kurd., Semnani, Sorxeyi, etc.) "to beat, strike," variant of kubidan, kuftan "to pound, strike, beat;" Mid.Pers. kôftan, kôstan "to beat, strike."

regenerate
  باز-آزانیدن   
bâz-âzânidan

Fr.: regénérer   

1) To produce anew; bring into existence again; to bring new and more vigorous.
2) Biology: To renew or restore (a lost, removed, or injured part).
3) Physics: To restore (a substance) to a favorable state or physical condition.
4) Electronics: To magnify the amplification of, by relaying part of the output circuit power into the input circuit (Dictionary.com).

re-; → generate.

regeneration
  باز-آزانش   
bâz-âzâneš

Fr.: regénération   

1) Act of regenerating; state of being regenerated.
2) Electronics: A feedback process in which energy from the output of an amplifier is fed back to the grid circuit to reinforce the input.
3) Biology: The restoration or new growth by an organism of organs, tissues, etc., that have been lost, removed, or injured (Dictionary.com).

re-; → generation.

regenerative
  باز-آزاننده، باز-آزانشی   
bâz-âzânandé, bâz-âzâneši

Fr.: régénératif   

1) Of, relating to, or characterized by regeneration.
2) Tending to regenerate.

re-; → generative.

regenerative medicine
  پزشکی ِ باز-آزاننده، ~ باز-آزانشی   
pezeški-ye bâz-âzânandé, ~ bâz-âzâneši

Fr.: médecine régénérative   

A branch of medicine that replaces or regenerates injured or diseased human cells, tissue, or organs, to restore or establish normal function.

regenerative; → medicine.

region
  ناحیه   
nâhiyé (#)

Fr.: région   

A large, usually continuous segment of a surface or space; area. → H II region.

M.E., from Anglo-Fr. regioun; O.Fr. region, from L. regionem (nominative regio) "district, country, direction, boundary," from regere "to direct," cognate with Pers. râst, → right.

Nâhiyé, loan from Ar. nâHiyat.

register
  ۱) برنوس؛ ۲) برنوسیدن   
1) barnus; 2) barnusidan

Fr.: 1) registre; 2) enregistrer   

1a) A book in which records of acts, events, names, etc., are kept; a list or → record of such acts, events, etc.
1b) An entry in such a book, record, or list.
1c) → Registration or → registry (Dictionary.com).
1d) In computer science, → registry.
2a) To enter or cause to be entered formally in a register.
2b) To enroll (a student, voter, etc.) in a school or course of study, on the voting rolls, etc. (Dictionary.com).

M.E. registre, from M.Fr., from O.Fr. registre and directly from M.L. registrum, alteration of L.L. regesta "list, matters recorded," noun use of L. regesta, from regestus, p.p. of regerere "to record; retort," literally "to carry back, bring back" from → re- "back" + gerere "carry, bear."

Barnus, from bar- "on, upon, up," → on-, + nus "to write;" cf. Kurd. (Sor.) nus, nusen "to write;" Lori nisane "to write;" variants of nevis-, neveštan, → write.

registration
  برنوسش   
barnuseš

Fr.: enregistrement   

1) The act or instance of registering.
2) An entry in a register (Dictionary.com).

register; → -tion.

registry
  برنوسه   
barnusé

Fr.: registre   

1) The act of registering; registration.
2) A place where a register is kept; an office of registration.
3) The state of being registered (Dictionary.com).
4) In → computers, a part of the → central processing unit used to store configuration information about the → software installed on a computer.

register + -y.

regmaglypt
  چالوک   
câluk

Fr.: regmaglypte   

A small depression on the surface of a → meteorite, more particularly on iron meteorites. These indentations result from the erosion of areas on the → meteoroid as material is ablated on its passage through the atmosphere.

From N.L., from Gk. rhegma "fracture, break" + Gk. glypt combining form of glyphein "to hollow out, carve, engrave."

Câluk "small hole" (Tabari), from câl, câlé "hole," from câh "a well, pit" (Mid.Pers. câh "a well;" Av. cāt- "a well," from kan- "to dig," uskən- "to dig out" (O.Pers. kan- "to dig," akaniya- "it was dug;" Mod.Pers. kandan "to dig"); cf. Skt. khan- "to dig," khanati "he digs," kha- "cavity, hollow, cave, aperture") + -uk, variant -u, a suffix of diminutive or attribution.

regolith
  سنگپوش   
sangpuš (#)

Fr.: régolithe   

1) The layer of rocky → debris and → dust that forms the uppermost surface of → planets, → natural satellites, and → asteroids. Regolith on Earth is a product of → weathering.
2) In particular, → lunar regolith.

From Gk. regho(s) "rug, blanket" + -lith, from lithos "stone."

Sangpuš, literally "stone, rock covering," from sang "→ stone, rock," + puš present stem of pušidan "to cover; to put on," → envelop.

regression
  ۱) پسرفت؛ ۲) وایازی، وایازش   
1) pasraft (#); 2) vâyâzi (#), vâyâzeš (#)

Fr.: régression   

1) Astro.: → retrograde motion.
2) Geology: A retreat of the sea from land areas. Possible causes include a drop in sea level or uplift.
3) Math.: A method for fitting a curve through a set of points using some goodness-of-fit criterion. The most common type of regression is → linear regression.

From L. regression-, from regress-, stem of regredi "to go back," from → re- "back" + gradi "to step, walk."

1) → retrograde.
2) On the model of → progression, from vâ-re- + yâzi, yâzeš, verbal noun of yâzidan "to stretch out the arms; grow up" (Parthian Mid.Pers. y'd "to reach a goal, come to, stretch out;" Av. yat- "to reach, take one's place," yaiiata "places," frā-iiatāt "has reached;" cf. Skt. yat- "to be in place, put in place, line up;" PIE base *iet- "to be in place").

regression analysis
  آنالس ِ وایازش   
anâlas-e vâyâzeš

Fr.: analyse de régression   

A statistical technique used to determine the values of parameters for a function that best fits a given set of data.

regression, → analysis.

regression coefficient
  همگر ِ وایازش   
hamgar-e vâyâzeš (#)

Fr.: coefficient de régression   

The slope of the straight line that most closely relates two correlated variables.

regression, → coefficient.

regression curve
  خم ِ وایازش   
xam-e vâyâzeš

Fr.: courbe de régression   

A curve representing a non-linear relationship between two or more → variables.

regression, → curve.

regression equation
  هموگش ِ وایازش   
hamugeš-e vâyâzeš

Fr.: équation de régression   

A mathematical expression that describes the relationship between two or more variables. It indicates the nature of the relationship and, in particular, the extent to which one can predict some variables by knowing others.

regression, → equation.

regression function
  کریای ِ وایازش   
karyâ-ye vâyâzeš

Fr.: fonction de régression   

A mathematical function that describes the relationship between two or more variables in a set of data.

regression, → function.

regression line
  خط ِ وایازش   
xatt-e vâyâzeš

Fr.: droite de régression   

The curve representing a → linear regression. It is a line drawn through a set of data that summarizes the relationship between the → variables being studied.

regression, → line.

regression of the nodes
  پسرفت ِ گره‌ها، ~ گوزهرها   
pasraft-e gerehhâ , ~ gowzahrhâ

Fr.: régression des noeuds   

The slow motion of the → nodes of the Moon's orbit in the opposite direction to the Moon's movement. This westward motion, caused by perturbations of other bodies, mainly the Earth and Sun, has a rate of 19.35 degrees per year, making one rotation in 18.6 years.

regression; → node.

regular
  ۱) باسامان؛ ۲) رزن‌مند   
1) bâsâmân (#); 2) razan-mand

Fr.: ordonné, régulier   

1) Evenly or uniformly arranged in space or time; orderly; well-ordered.
Math.: Of a polygon, having all sides and angles equal.
2) Conforming to some accepted rule, discipline, etc.

M.E. reguler, from M.Fr., from O.Fr. reguler, from L.L. regularis "continuing rules for guidance," from L. regula "rule," cognate with Pers. râst, → right.

1) Bâsâmân, from bâ- "with, having" (→ hypo- + sâmân "order, arrangement, disposition; boundary, limit," Lârestâni sâmon "sign or mark separating one field from another," Gilaki, Tabari šalmân "a straight peace of wood or beam, post;" Mid.Pers. sâmânak, sahmân "limit;" loaned into Arm. sahmân; cf. Skt. sīmān-, sīmā- "boundary, border, limit."
2) Razan-mand, from razan, → rule, + -mand a possession suffix.

<< < -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 > >>