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
constant of gravitation
  پایا‌ی ِ گرانشی   
pâyâ-ye gerâneši (#)

Fr.: constante de la gravitation   

gravitational constant.

constant of the motion
  پایای ِ جنبش   
pâyâ-ye jonbeš

Fr.: constante de mouvement   

1) Classical mechanics: A variable X whose total rate of change dX/dt along the path of a → dynamical system is zero. In other words, a function of an object's position, velocity, or both that does not change even as the object moves. For example, the total energy of a → simple harmonic oscillator is a constant of the motion.
2) Quantum mechanics: An → observable that remains constant in time. As an example, the energy is a constant of the motion of all systems whose → Hamiltonian does not depend explicitly upon time.

constant; → motion.

constellation
  هم‌اختران   
hamaxtarân

Fr.: constellation   

A grouping of conspicuous stars that, when seen from Earth, form an apparent pattern. The sky is divided into 88 constellations. → asterism.

From O.Fr. constellation, from L.L. constellationem (nom. constellatus) "set with stars," from L. → com- "with" + p.p. of stellare "to shine," from stella, → star.

Hamaxtarân, from ham- "with, together" + axtarstar + -ân suffix denoting group.

constituent
  آساتنده   
âsâtande

Fr.: constituant   

1) Forming part of a whole; component.
2) Politics, law: Having the power to frame a constitution or to constitute a government; a person who appoints another to act for him, as by power of attorney.
3) Linguistics: A word, phrase, or clause forming a part of a larger construction (TheFreeDictionary.com).

constitute; → -ent.

constitute
  آساتیدن   
âsâtidan

Fr.: constituer   

1) To make up; form; compose.
2) To appoint to an office or function.
3) To set up (a school or other institution) formally; found.
4) Law: To give legal form to (a court, assembly, etc.) (TheFreeDictionary.com).

From L. constitutus, p.p. of constituere "to cause to stand, set up, fix, place, establish, set in order; form something new," from → com- an intensive prefix + statuere "to set," from PIE root *sta- "to stand, make or be firm." cf. Pers. istâdan "to stand," → opposition.

Âsâtidan, from intensive prefix â- + sât variant of sâz-/sâxtan "to build, make, prepare," cf. Gazi sât- "to be reconciled with," Abyaneyi, Abuzeydâbâdi, Nâyini, Târi. sâta-/sâj-, Anâraki, Varzeneyi sâte-/sâj-, Ardestâni sûtte/sûj-, Hamadâni satän/saj-, Esfahâni satän/saz-, Jowšaqâni bam-sa:t- "to do, build," Xonsâri sât-/sâz-, Mahalâti sât/sâj- "to prepare, do;" Mid.Pers. sac, saz- "to be fitting, becoming, necessary," sac-, sâz- "to make, prepare;" Mod.Pers. sâz-, sâxtan "to build, construct, prepare;" cf. Skt. śak- "to be able, capable;" Proto-Ir. sac- "to fit, be suitable, be able, be in command of; to prepare" (Cheung, 2006).

constitution
  آساتش   
âsâteš

Fr.: constitution   

1) The act or process of composing, setting up, or establishing.
2) The system of fundamental laws and principles that prescribes the nature, functions, and limits of a government or another institution (TheFreeDictionary.com).

Verbal noun of → constitution.

constitutional
  آساتشی   
âsâteši

Fr.: constitutionnel   

1) Of or relating to a constitution.
2) Consistent with, sanctioned by, or permissible according to a constitution (TheFreeDictionary.com).

constitution; → -al.

constitutive
  آساتگر   
âsâtgar

Fr.: constitutif   

1) Making a thing what it is; essential.
2) Having power to institute, establish, or enact.

constitite; → -ive.

constrain
  پاوندیدن، پاوند کردن   
pâvandidan, pâvand kardan

Fr.: contraindre   

To confine forcibly, as by bonds; to force, compel, or oblige; to repress or restrain. → constrained body, → constrained system.

constraint.

constrained body
  جسم ِ پاوندیده   
jesm-e pâvandidé

Fr.: corps lié   

A → rigid body whose displacement is prevented because it is under → constraint or a body that can move only in certain directions. Contrasted with → free body.

Constrained, p.p. of → constrain; → body.

constrained system
  راژمان ِ پاوندیده   
râžmân-e pâvandidé

Fr.: système contraint   

Opposite of a → free system. See also → constraint.

Constrained, p.p. of → constrain; → system.

constraint
  پاوند   
pâvand (#)

Fr.: contrainte   

1) General: Limitation or restriction.
2) Mechanics: Any restriction imposed on the position or motion of a material system. Constraints are said to be internal if they do not impede free displacement of the system. All other kinds of constraints are called external. Systems subject only to internal constraints are free material systems.
3) Physics: A fact or condition, usually observational, that allows to reduce the number of free parameters in a theoretical model.

M.E. constreinte, from M.F., from constreindre, from L. constringere "to bind together, tie tightly," from → com- "together" + stringere "to bind, draw tight."

Pâvand "fetter, shackle," from "foot" (Mid.Pers. pâd, pây; Khotanese fad; Av. pad-; cf. Skt. pat-, Gk. pos, genitive podos; L. pes, genitive pedis; P.Gmc. *fot, E. foot, Ger. Fuss, Fr. pied; PIE *pod-/*ped-) + vand, variant band "tie, band," (Mod.-Mid./Pers. bastan/vastan "to bind, shut," Av./O.Pers. band- "to bind, fetter," banda- "band, tie," Skt. bandh- "to bind, tie, fasten," PIE *bhendh- "to bind," cf. Ger. binden, E. bind).

constringence
     

Fr.: constringence   

Same as → Abbe number.

Noun from → constrain.

constructive interference
  اندرزنش ِ سازنده   
andarzaneš-e sâznadé

Fr.: interférence constructive   

An → interference process in which the → amplitude of the resultant wave is greater than that of either individual waves. See also → destructive interference.

Constructive, from M.Fr. constructif or from M.L. constructivus, from L. construct-, p.p. stem of construere "to heap up," from → con- + struc- variant stem of struere "to build," → structure; → interference.

Andarzaneš, → interference; sâzandé "constructive," from sâxtan, → structure.

consult
  هگاردن، رای زدن   
hagârdan, rây zadan (#)

Fr.: consulter   

To seek advice or information from; ask guidance from.

From M.Fr. consulter, from L. consultere "to deliberate, consult," frequentative of consulere "to consult, deliberate, consider, ask advice," from → com- "together" + -sulere, from PIE *selh- "to take, grab," cognate with E. sell, sold.

Hagârdan, from ha-, variant of ham- "together," → com-, + gâr "to observe, consider," variants gar-, gâl- (as in engâridan "to suppose," negaristan "to observe, look, notice," segâlidan "to think, discuss, consider") ultimately from Proto-Ir. *kar- "to observe, consider," cf. Av. kar- "to remember, to impress on memory," Skt. kal- "to observe, conside," kalayati "considers, observes;" see also âgâridan, → consider.

consultant
  ۱) هگارگر؛ ۲) هگارنده   
1) hagârgar; 2) hagârande

Fr.: consultant   

1) A person who provides professional or expert advice.
2) A person who consults another.

Agent noun with suffix → -ant.

consultation
  هگارش   
hagâreš

Fr.: consultation   

The act or procedure of consulting.

Verbal noun from → consult.

consume
  گساردن   
gosârdan (#)

Fr.: consommer   

1) To use up, spend. See also → expend.
2) To eat or drink.

M.E., from O.Fr. consumer "to consume" and directly from L. consumere "to use up, eat, waste," from → com-, intensive prefix, + sumere "to take," from → sub- "under" + emere "to buy, take," from PIE root *em- "to take, distribute;" cf. Skt. yam- "to hold," Av. yam- "to hold, keep," → expend.

Gosârdan "to consume, drink; dissipate, wipe out; let go," probably from Proto-Ir. *ui-sard-, from *sard- "to smear, rub;" cf. Khotanese (+*ā-) esaly "to besmear;" Kurd. sirīn "to wipe," sirewe "to wipe out, erase;" Oss. særdyn "to smear."

consumption
  گسارش   
gosâreš

Fr.: consommation   

1) The act of consuming.
2) The amount consumed.

Verbal noun of → consume.

contact
  ۱) پرماس؛ ۲) پرماسیدن   
1) parmâs (#); 2) parmâsidan (#)

Fr.: 1) contact; 2) contacter, toucher   

1a) The act or state of touching or being in immediate proximity, as in a → contact binary.
1b) One of the instances when the apparent position of the edges of the Sun and the Moon cross one another during an eclipse. They are designated as the → first contact, → second contact, → third contact, and → fourth contact. See also → contact binary, → last contact.
2a) (v. intr.) To be in or come into contact.
2b) (v.tr.) To bring or put in contact.

From L. contactus "a touching," p.p. of contingere "to touch," from → com- "together" + tangere "to touch."

Parmâs "contact, touching," stem of parmâsidan "to touch, feel," from *pari-mars-, from Indo-Iranian *pari- "around" (O.Pers. pariy "around, about," Av. pairi "around, over," Skt. pari) + *mars- "to touch; to wipe, rub," Mid.Pers. marz "contact, touching," marzitan "to touch," Mod.Pers. mâlidan "to rub," Av. marəz- "to rub, wipe," marəza- "border, district," Skt. mrś- "to touch," mrśáti; L. mulceo "to caress," margo "edge" (Fr. marge "margin"); P.Gmc. *marko; Ger. Mark; E. mark, margin.

<< < -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 > >>