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: 13048 Search : far
modality
  مدیگی، مدمندی   
modigi, modmandi

Fr.: modalité   

The quality or state of being → modal.

modal; → -ity.

mode
  ترز، طرز، مُد   
tarz, mod

Fr.: mode   

1) Physics: Any of the distinct patterns of oscillation that a given periodically varying system can have.
2) Math.: In a series of statistical data, the item or value which occurs most frequently. It is a measure of central tendency.

Mode, from Fr. mode, from L. modus "measure, rhythm, song, manner," from PIE base *med- "to measure, limit, judge, advise;" cf. L. meditari "to think or reflect upon, consider;" Av. mad- "to measure out, apportion, allot;" Gk. medein "to rule;" O.E. metan "to measure out."

Tarz "manner, mode," Arabicized as طرز. Tarz may be related to Av. darəsa- "appearance, looking" (huuarə.darəsa- "having the appearance of the sun"), from Av. darəs- "to look;" cf. Skt. darś-, drś- "to see, appear, look, show" darśa- "apperance, look," drśta- "apparent, visible."
Mod, loan from Fr., cognate with Av. mad- "to measure out, apportion, allot," as above.

model
  ۱) مدل، ترزال؛ ۲) مدل‌ساختن، ترزالیدن   
1) (n.) model, tarzâl; 2) (v.) model sâxtan, tarzâlidan

Fr.: 1) modèle; 2) modéliser   

1a) A mathematical representation of a process, system, or object developed to understand its behavior or to make predictions. The representation always involves certain simplifications and assumptions. See also → theory, → hypothesis.
1b) A mental image of a phenomenon using familiar terms (or images). For example, in the Bohr model the atom is visualized as a nucleus with electrons orbiting around it in a manner similar to the way that planets revolve around the Sun. While this model is use ul in understanding the atom, it is an over-simplified description of a real atom and does not describe/predict all of its attributes (G. Smooth, Lawrence Berkeley Lab website).
2) To make or construct a model of.

M.Fr. modelle (Fr. modèle), from It. modello "a model, mold," from V.L. *modellus, from L. modulus "measure, standard," from modus "manner, measure" (cf. Av. mad-, → mode), PIE *med- + -ulus, → -ula.

1) Model, from Fr. modèle. Tarzâl, from tarz, → mode + -âl, → -al.
2) Model sâxtan, from model + sâxtan, sâzidan "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").
Tarzâlidan, from tarzâl + -idan infinitive suffix.

model dependence
  وابستگی به مدل، ~ ~ ترزال   
vâbastegi bé model, ~ ~ tarzâl

Fr.: dépendance du modèle   

In a theoretical analysis, the solution that does not correctly treat the intervening parameters, or neglects some crucial factors.

model. dependence, noun of → dependent.

modeling
  مدل‌سازی، ترزالش   
modelsâzi, tarzâleš

Fr.: modélisation   

The simulation of a process, concept, or operation of a system often implemented by a computer program and making use of a mathematical treatment.

Verbal noun of → model

modern
  نوین   
novin (#)

Fr.: moderne   

1) Relating or belonging to present and recent time. → modern physics.
2) Of or pertaining to the historical period following the Middle Ages.
3) Of the latest, most advanced kind, or using the most advanced equipment and techniques available.

From M.Fr. moderne, from L.L. modernus, from L. modo "lately, just now," from modo "to the measure," ablative of modus "manner, measure," → mode.

Novin, from now, → new, + -in adj. suffix, as in dirin, pasin, barin, kehin, mehin, behin, zirin, zabarin, pâyin, bâlâyin.

modern physics
  فیزیک ِ نوین   
fizik-e novin (#)

Fr.: physique moderne   

The physics developed since about 1900, which includes Einstein's → relativity theory and → quantum mechanics, as distinguished from → classical physics. Much of modern physics is concerned with the behavior of matter and energy under extreme conditions or on the very small scale.

modern; → physics.

modernism
  نوین‌گرایی   
novingerâyi

Fr.: modernisme   

1) Modern spirit or character.
2) Modern usage, expression, or trait.
3) In early 20th century art, literature, and architecture, a movement characterized by the use of unconventional subject matter and style, experimental technique, etc.

modern + → -ism.

modernist
  نوین‌گرا   
novingerâ

Fr.: moderniste   

1) An admirer of modern ideas, ways, etc.
2) Someone who practises or advocates → Modernism.

modern + → -ist.

modernity
  نوینی   
novini (#)

Fr.: modernité   

1) The quality of being → modern.
2) A rather diffuse term with many meanings depending on the disciplinary context. Generally, modernity refers to the cultural, intellectual, and economic consequences of the → Enlightenment and the epoch with which they are associated. Modernity is the end result of the → modernization process.

modern + → -ity.

modernization
  نوینش   
novineš (#)

Fr.: modernisation   

1) The act of modernizing; the state of being modernized; something modernized.
2) A pattern of social and economic change initiated in the 17th century in Western Europe and subsequently extended to many other parts of the world. Its characteristics include secularization, rationalization in political and economic life, industrialization, urbanization, and increased level of popular involvement in public affairs.

Verbal noun of → modernize; → -tion.

modernize
  نوینیدن   
novinidan (#)

Fr.: moderniser   

To bring something up to modern standards, or adapt it to modern style, conditions, etc.

modern + → -ize.

modification
  واترز، واترزش   
vâtarz, vâtarzeš

Fr.: modification   

An act or instance of modifying; the state of being modified; partial alteration.

Verbal noun of → modify.

modified Julian date (MJD)
  گاهداد ِ ژولی‌ین ِ واترزیده   
gâhdâd-e žulian-e vâtarzidé

Fr.: date julienne modifiée   

A modification of the Julian Date, representing the number of days that have elapsed since midnight (instead of noon) at the beginning of Wednesday November 17, 1858. MJD = JD - 2,400,000.5 The reason for adopting that date is the fact that the Julian Day 2,400,000 just happens to be November 17, 1858.

modify; → Julian date.

MOdified Newtonian Dynamics (MOND)
  توانیک ِ نیوتنی ِ واترزیده   
tavânik-e niyutoni-ye vâtarzidé

Fr.: dynamique newtonienne modifiée   

A modification of the Newton's law of gravitation below a critical acceleration of about 1.2 x 10-8 cm s-2, where the gravitational force scales as 1/r instead of 1/r2. Originally put forward to describe the rotation curves of galaxies with no need to assume any dark matter, MOND is now tested at larger cosmological scales (Milgrom, M. 1983, ApJ, 270, 365).

modify; → Newtonian dynamics.

modified wind momentum
  جنباک ِ باد ِ واترزیده   
jonbâk-e bâd-e vâtarzidé

Fr.: moment angulaire de vent modifié   

A quantity defined as Π = (dM/dt) v R0.5 for a star with radius R having a wind with → terminal velocity v and a → mass loss rate dM/dt. There is a tight linear relation between the modified wind momenta and the stellar luminosities for → Population IO stars. See also → wind momentum.

modify; → wind; → momentum.

modifier
  واترزنده، واترزگر   
vâtarzandé, vâtarzgar

Fr.: modificateur   

In data processing, a quantity used to alter an instruction in a prescribed way to produce the instruction actually obeyed.

Agent noun of → modify.

modify
  واترزیدن   
vâtarzidan

Fr.: modifier   

To change somewhat the form or qualities of; alter partially; amend.
To reduce or lessen in degree or extent; moderate; soften:

From O.Fr. modifier, from L. modificare "to impose a rule or pattern, regulate, restrain," from modus "measure, rhythm, song, manner" PIE base *med-/*met- "to measure, limit, consider, advise, take appropriate measures" + root of facere "to make"

Vâtarzidan, from vâ- prefix denoting "reversal, opposition; separation; repetition; open; off; away" (variant of bâz-, from Mid.Pers. abâz-, apâc-; O.Pers. apa- [pref.] "away, from;" Av. apa- [pref.] "away, from," apaš [adv.] "toward the back;" cf. Skt. ápāñc "situated behind") + tarz "mode, manner" + -idan infinitive suffix.

modulate
  دگر‌آهنگیدن   
degarâhangidan (#)

Fr.: moduler   

General: To regulate by or adjust to a certain measure or proportion; tone down. Physics: To alter the value of some parameter characterizing a periodic oscillation. → modulation.

From L. modulatus pr.p. of modulari "to regulate, measure off properly," from modulus "small measure," diminutive of modus "measure, manner," → mode.

Degarâhangidan, from degar "other, another," denoting change, variant digar (Mid.Pers. dit, ditikar "the other, the second;" O.Pers. duvitiya- "second," Av. daibitya-, bitya- "second;" Skt. dvitiya- "second," PIE *duitiio- "second") + âhang "melody, pitch, tune, modulation" (ultimately from Proto-Iranian *āhang-, from prefix ā- + *hang-, from PIE base *sengwh- "to sing, make an incantation;" cf. O.H.G. singan; Ger. singen; Goth. siggwan; Swed. sjunga; O.E. singan "to chant, sing, tell in song;" maybe cognate with Gk. omphe "voice; oracle") + -idan infinitive suffix.

modulated wave
  موج ِ دگر‌آهنگیده   
mowj-e degarâhangidé (#)

Fr.: onde modulée   

A combination of two or more waves resulting in the production of frequencies not present in the original waves, the new frequencies being usually the sums and differences of integral multiples of the frequencies in the original waves.
A wave which varies in some characteristic in accordance with the variations of a modulating signal. Compare continuous wave. See modulation

Modulated, p.p. of → modulate; → wave.

<< < -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 > >>