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: 13048 Search : far
trace
  ۱) مله؛ ۲) ملیدن   
1) malé; 2) malidan

Fr.: 1) trace; 2) suivre la trace   

1a) A surviving mark, sign, or evidence of the former existence, influence, or action of some agent or event; vestige.
1b) A barely discernible indication or evidence of some quantity, quality, characteristic, expression, etc.
1c) An extremely small amount of some chemical component (Dictionary.com).
1d) Math.: → trace of a matrix.
2a) To follow the footprints, track, or traces of.
2b) To follow, make out, or determine the course or line of, especially by going backward from the latest evidence, nearest existence, etc. (Dictionary.com).

M.E. tracen, from M.Fr. tracier, from V.L. *tractiare "delineate, score, trace," from L. tractus "track, course," literally "a drawing out," from p.p. stem of trahere "to pull, draw."

Gilaki mâle "mark, trace, fingerprint; scar," pâ mâle "footprint," gaz mâle "bite mark;" Aftari mâl "trace, mark," pae mâl "footprint," ponjé mâl "mark of hand with fingers;" Tabari mâl "mark, trace," ling mâl "footprint," probably related to mâlidan "to touch, rub; besmear;" Mid.Pers. mâlih- "to be touched;" (Gurâni) mâl, mâlâ- Xunsâri mâl-/mâlâ "to smear, stroke."

trace element
  بن‌پار ِ مله   
bonpâr-e malé

Fr.: élément trace, oligo-élément   

Any → chemical element that is found in extremely small amounts, especially one used by organisms and held essential to maintain proper physical functioning.

trace; → element.

trace of a matrix
  مله‌ی ِ ماتریس   
male-ye mâtris

Fr.: trace de matrice   

Of a → square matrix, the → sum of the entries in the → main diagonal, i.e.: tr(A) = a11 + a22 + ... + ann = Σ aii (i = 1 to n).

trace; → matrix.

tracer
  مله‌گر   
malegar

Fr.: traceur, marqueur   

A → substance, especially a → radioactive isotope, used in experiments so that its movements through a biological, chemical, or physical system can be → monitored in order to study the → system.

trace, → -or.

trachea
  نای   
nây (#)

Fr.: trachée   

The tube in humans and other air-breathing vertebrates extending from the larynx to the bronchi, serving as the principal passage for conveying air to and from the lungs; the windpipe (Dictionary.com).

M.E. trache, from M.L. trachea, from L.L. trachia, from Gk. trakheia, in trakheia arteria "windpipe."

Nây, variants nay, ney, nâl "pipe, tube, reed, cane, windpipe;" Mid.Pers. nây "tube, reed, flute, clarion;" cf. Skt. nada-, nādha-, nala- "a hollow stalk, tube, pipe."

track
  ۱) تر؛ ۲) تر گرفتن   
1) tor; 2) tor gereftan

Fr.: 1) trace, piste, trajet; 2) suivre la trace de   

1a) Evidence, as a mark or a series of marks, that something has passed.
1b) A path made or beaten by or as if by the feet of people or animals; trail (Dictionary.com).
1c) A line of motion, a course followed, such as → Hayashi track. See also: → evolutionary track, → Henyey track, → white dwarf cooling track, → tracking, → tracking accuracy.
2) To follow or pursue the track, traces, or footprints of.

M.E. trak, from M.Fr. trac, from O.Fr. trac "track of horses, trace" (mid-15c.), possibly from a Germanic source (compare M.L.G. treck, Du. trek "drawing, pulling).

Tor, from Lori, Laki, Fini, Bandar-Abâsi tor "track, trace, mark;" maybe ultimately from Proto-Ir. *tar- "to cross over;" cf. Av. tar- "to cross over;" Mid.Pers. (+*ui-) widur-, widôr- "to pass (beyond, over); Pers. gozar; Baluci tar(r)- "to walk;" Yaghnobi tir-, ter- "to go, leave;" → trans-.
Tor gereftan, with gereftan "to take, seize" (Mid.Pers. griftan, Av./O.Pers. grab- "to take, seize," cf. Skt. grah-, grabh- "to seize, take," graha "seizing, holding, perceiving," M.L.G. grabben "to grab," from P.Gmc. *grab, E. grab "to take or grasp suddenly;" PIE base *ghrebh- "to seize").

tracking
  ترگیری   
torgiri

Fr.: poursuite   

The facility that allows a telescope to follow a celestial object during in its westward motion in the sky.

Verbal noun from → track.

tracking accuracy
  رشمندی ِ ترگیری   
rašmandi-ye torgiri

Fr.: précision de poursuite   

The accuracy with which a → telescope tracks a target.

tracking; → accuracy

tradition
  تراداد   
tarâdâd (#)

Fr.: tradition   

An inherited or common body of beliefs or practices belonging to a particular people, family, or institution over a relatively long period. Also their transmission over time.

M.E. tradicion, from  O.Fr. tradicion, from L. traditionem "delivery, surrender, a handing down," from traditus, p.p. of tradere "to deliver, hand over," from → trans- "over" (time) + dare  "to give," → datum.

Tarâdâd, from tarâ- "over time," → trans-, + dâd past stem of dâdan "to give," → datum.

trail
  رد   
radd (#)

Fr.: traînée   

The marks, signs, smells, etc., that are left behind by someone or something and that can often be followed (Webster). → star trail.

M.E. trailen "to draw or drag in the rear," from O.Fr. trailler "to tow," ultimately from L. tragula "dragnet," probably related to trahere "to pull."

Radd, variant of raj, râž, rak, râk, rezg (Lori), radé, râdé "line, rule, row," rasté, râsté "row, a market with regular ranges of shops;" ris, risé "straight," related to râst "right, true; just, upright, straight;" → system.

train
  قطار، ترن   
qatâr (#), teran (#)

Fr.: train   

1) A series or sequence of objects or events.
2) A line of coaches or wagons coupled together and drawn by a railway locomotive.

M.E., from O.Fr. train "tracks, path, trail; act of dragging," from trainer "to pull, drag, draw," from V.L. *traginare, from *tragere "to pull," back-formation from tractus, p.p. of L. trahere "to pull, draw."

Qatâr "a row of camels," loan from Ar.; teran, loan from Fr., as above.

trajectory
  ترایشانه   
tarâyešâné

Fr.: trajectoire   

Physics: The line or curve described by an object moving through space.
Math.: A curve or surface that cuts all of a given family of curves or surfaces at the same angle.

From Mod.L. trajectoria, from feminine of trajectorius "of or pertaining to throwing across," from L. trajectus "thrown over or across," p.p. of trajicere "throw across," from L. → trans- "across" + icere, combining form of jacere "to throw," → eject.

Tarâyešâné, from tarâ- "across," → trans-, + -y- epenthetic + ešân, present stem of ešândan, → eject, + relation suffix .

trans-
  ترا-   
tarâ- (#)

Fr.: trans-   

Prefix meaning "across, beyond, through;" variant tra-; used with both space (point to point, shape to shape) and time (time to time, past to present, present to past) concepts.
See also:
tradition, → transauroral, → transcendental, → transdisciplinary, → transduce, → transfer, → transform, → transient, → transistor, → transit, → transition, → translate, → translucent, → translunar, → transmission, → transmit, → transmutate, → trans-Neptunian, → transparent, → transponder, → transport, → transpose, → transversal, → transverse, → transuranium.

From L. trans-, from preposition trans "across, over, beyond," cognate with Pers. tarâ- as below; cf. O.E. þurh, E. through; O.S. thuru; M.Du. dore, Du. door; O.H.G. thuruh, Ger. durch; Goth. þairh "through;" O.Ir. tre, Welsh tra "through;" PIE base *ter- "to cross."

Tarâ-, from Mid.Pers. tar (preposition) "through, across, over, beyond; over time;" tarmenidan "to abuse, despise," tarmenišn "conceited, disdainful;" O.Pers. tara "over, beyond, across;" Av. tarô, tarə "over, across, beyond," from O.Pers./Av. tar- "to cross over," O.Pers. vi-tar- "to go across," Mid.Pers. vitartan "to pass," Mod.Pers. gozar, gozaštan "to pass, cross," Av. tara-δāta- "placed beyond," tarô-yāra- "outlasting the years" (over time), vī-tərəta- "taken away, isolated;" O.Pers. tara-draya- "overseas;" Sogdian tr- "to go;" cf. L. trans-, as above; Skt. tar- "to pass (through), overcome," tárati "crosses, passes," tirás "through, across, beyond." The first element in the Mod.Pers. tarâvoš "exuding, trickling, oozing" is probably this prefix, → permeability. Another case may be tarzafân, tarzabân "interpreter, translator," with zafân, zabân, → language.

trans-Neptunian object (TNO)
  بر‌آخت ِ ترا-نپتونی   
barâxt-e tarâ-Nneptuni

Fr.: objet trans-neptunien   

A member of a class of objects in orbit around the Sun at a larger distance than the distance between Neptune and the Sun. This includes several → dwarf planets, such as → Eris, → Pluto, and many small solar system bodies.

trans-; → Neptune; → object.

transauroral line
  خط ِ ترا-اوشه‌ای   
xatt-e tarâ-uše-yi

Fr.: raie transaurorale   

A forbidden line emitted by interstellar ionized gas by several atomic species (O, O+, O++, N+, S++, etc.) corresponding to the transition from the electronic state 1S to 3P. Examples are the ultraviolet line of the doubly ionized oxygen [O III] at 2321 A and [N II] 3063 A. → auroral line; → forbidden line; → nebular line.

trans-; → auroral line.

transcendental
  ترا-فرازنده   
tarâfarâzandé (#)

Fr.: transcendant   

1) General: Surpassing or superior.
2) Math.: → transcendental function, → transcendental number.

From transcendentalis, from transcendere "to climb over or beyond, surmount," from → trans- "beyond" + scandere "to climb" + -alis, → -al.

Tarâfarâzandé, from tarâ- "beyond, over," → trans-, + farâzandé agent noun of farâzandan "to raise, erect, exalt," from farâz "above, up, upon, on the top, aloft," from Mid.Pers. farâz, farâc "forward, prominent, distinguished;" Av. frānk- (adj.) "turned toward the front," fraca (adv.) "forward, forth," fraš (adv.) "forward, forth; before;" Proto-Iranian *frānk-.

transcendental function
  کریای ِ ترا-فرازنده   
karyâ-ye tarâfarâzandé

Fr.: fonction transcendante   

A function which is not → algebraic. For example y = cosx, y = 10xx.

transcendental; → function.

transcendental logic
  گوییک ِ ترافرازنده   
guyik-e tarâfarâzandé

Fr.: logique transcendantale   

In Kantian epistemology, a pure logic which contains solely the rules of the pure thought of an object, excluding any mode of knowledge with empirical content. Whereas general logic is not concerned with the origin of our cognitions, transcendental logic would contain rules for the use of → a priori cognitions.

transcendental; → logic.

transcendental number
  عدد ِ ترا-فرازنده   
adad-e tarâfarâzandé

Fr.: nombre transcendant   

A → real number that is not a → root of any → algebraic equation with → rational → coefficients. Every transcendental number is → irrational. Examples of transcendental numbers are π = 3.1415926... and e = 2.7182818...

transcendental; → number.

transdisciplinary
  ترا-هاوشانی، ترا-هاوشان‌مندی   
tarâ-hâvešâni, tarâ-hâvešânmand

Fr.: transdisciplinaire   

Of a comprehensive framework that transcends the partial scope of disciplinary worldviews through an overarching synthesis, such as general systems, feminist theory, and sustainability. The term also connotes a new structure of unity informed by the worldview of complexity in science and a new mode of knowledge production that draws on expertise from a wider range of organizations, and collaborations with stakeholders in society. See also → interdisciplinary and → multidisciplinary (Thompson Klein, J. 2010, Creating Interdisciplinary Campus Culture, John Wiley and Sons, Inc.).

trans-; → disciplinary.

<< < -es -iv -ti 21 a p abe abs abs aca acc acc acr act ada adh Adr aer AGB air Alf Alg all alp alt AM amo ana And ang ani ano Ant Ant apa apo app app Ara Arc ari Arr ash ass ast ast asy atm ato att aut ave axi Bab bal Bal bar bar bea Bek Bes bia Big bin bin bip biv bla bli blu Boh Bol Bos bou bra bri bro buo cal cal can cap car Car cat cat CCD Cen cen CH 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 con Cop Cor cor cor cos cos cou cou Cow cre cri cro cry cur cya Cyg dan dar dat de- deb dec dec ded def deg del dem den dep des det dev dia dif dif dih dio Dir dis dis dis dis dis dis DO don dou dow dro dur dwa dyn Dys ear ebb ecl edg egg Ein Ela ele ele ele ele ell eme emp enc eng ent epi equ equ equ esc eth Eur Eve exa exc exe exi exp exp ext ext ext fac fal far fed Fer fer fie fin fir fis fla flo flu fol for for fou fra fre Fre fro fut G-t gal gal gam gas Gau Gem gen geo geo geo gia Gli Gol gra gra gra gra gre gri gui H I Hag hal har hat He- hea hel Hel her Hes hie hig his hom hor hot Hub Hug hur hyd hyd hyg 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 Io ion iro isl iso iso Jac jet jud jur Kel Kep kil Klo Kui Lag lam Lap Lar lat law lea len lep Lib lig lim lin lin Lio lit loc LOF lon Lor low lum lun Lup Lyo mac mag mag mag mag mag mai man Mar mas mas mat Max mea mec Meg Mer Mer met met Met mic Mid Mil min Mir mit mod mod mol mon Mor mou mul mul mys nan Nat nau nec neo neu nev New NGC no nom non non nor not nuc nuc num nut obj obs obs occ ocu oft ome Oor ope opp opt opt orb ord ori ort osc out ove oxi pai pan par par par par pas pea pen per per per per Per per pha phi pho pho pho phy pio Pla pla pla pla Pla plu Poi pol pol pol poo pos pos pot pra pre pre pre pre pri pri pro pro pro pro pro Pro pro pse pul pur qua qua qua qua que rac rad rad rad rad rad rad 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 Rus Sac sal sat sca sca Sch sci Scu sec sec Sed sel Sel sen ser Sex Sha she sho sid sig sil sim sin siz sla Sma sno sof sol sol sol sol sou sou spa spa spe spe spe sph spi spi spr squ sta sta sta sta ste ste ste Sto Str str str sub sub suc sun sup sup sup sup sur swa syn syn tab tar tek tem ter tes the the the the Tho thr tid tim Tis Too Tor tra tra Tra tra tra tri tri tru Tul tur two Typ ult un- und uni uni unk upp Urc utt val var vec vel ver vib vio vir vis voi vor wan wat wav wax wea Wei whi Wil win WN9 wor X-r yel you zer zod > >>