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: 13070 Search : far
partial lunar eclipse
  مانگ‌گرفت ِ پاری   
mânggereft-e pâri

Fr.: éclipse partielle de lune   

A → lunar eclipse when the Earth's → umbra passes over only part of the Moon, causing only moderate darkening of the full Moon. See also → penumbral lunar eclipse.

partial; → lunar; → eclipse.

partial solar eclipse
  خورگرفت ِ پاری   
xorgereft-e pâri

Fr.: éclipse partielle de soleil   

A → solar eclipse when only the → penumbra of the Moon touches the Earth. The → umbra passes either just above the North Pole or just below the South Pole, missing the Earth.

partial; → solar; → eclipse.

partial truth
  راستینی ِ پاری، ~ پارال   
râstini-ye pâri, ~ pârâl

Fr.: vérité partielle   

A → truth value in → fuzzy logic where it can range between "completely true" and "completely false."

partial; → truth.

participate
  پارگرتیدن   
pârgertidan

Fr.: participer   

To take part, be or become actively involved.

From L. paticipatus p.p. of partcipare "to share," from particeps "partaking, sharing," from part-, pars "part," → partial, + capere "to take," → concept.

Pârgertidan, from pâr "part," → partial, + gertidan "to take," → concept.

participation
  پارگرت   
pârgert

Fr.: participation   

An act or instance of participating. The fact of taking part.

Verbal noun of → participate.

participle
  پارگرته   
pârgerté

Fr.: participe   

A lexical form derived from a verb, that has some of the characteristics and functions of both verbs and adjectives. In most Indo-European languages participles are used to express participation in an action (present participle) or relate to a completed action (past participle). They can also appear in attributive form as adjectives.

M.E., from O.Fr. participle, variant of participe, from L. participium, literally "a sharing, partaking," from particeps "sharing, partaking," → participate.

Pârgerté, from pârgert present stem of pârgertidan, → participate, + nuance suffix .

particle
  ذره، پارول   
1) , 2) zarré (#), 1), 2), 3) pârul

Fr.: particule   

1) A unit of → matter smaller than the → atom or its main components. The term particle also includes any (currently hypothetical) new particles that might be discovered, such as the supersymmetric partners of the → quarks and → leptons and → bosons.
2) Mechanics: A material body (a body possessing mass) the size of which can be neglected in investigating its motion.
3) Grammar: In some languages, a word that has a grammatical function but does not fit into the main parts of speech (i.e. → noun, → verb, → adverb, → preposition). For example, in English, off, on, out, and up in call off, pass on, rule out, and grow up, respectively.
See also:
alpha particle, → antiparticle, → astroparticle physics, → beta particle, → charged particle, → elementary particle, → energetic solar particle, → exchange particle, → Lagrangian particle, → nanoparticle, → particle horizon, → particle nature, → particle physics, → relativistic particle, → resonance particle, → sink particle, → Smoothed Particle Hydrodynamics, → strange particle, → subatomic particle, → test particle, → virtual particle, → wave-particle duality.

From L. particula "little bit or part," diminutive of pars (genitive partis), from PIE base *per- "to assign, allot;" cf. Mid.Pers. pârag "gift, offering, bribe;" Mod.Pers. pâreh "gift" (→ partial); Gk. porein "to provide, give, grant," peprotai "it has been granted;" Skt. purtá- "gift, pay, reward."

Zarré, from Ar. dharrat "particle." Pârul, from pâr, → part, + -ul, → -ule.

particle horizon
  افق ِ ذره   
ofoq-e zarré

Fr.: horizon des particules   

For an observer at a given epoch t0, the boundary between the observable and the unobservable regions of the → Universe. Therefore, the distance to the particle horizon at t0 defines the size of the → observable Universe. Same as → cosmic horizon.

particle; → horizon.

particle nature
  زاستار ِ ذره‌ای   
zâstâr-e zarre-yi

Fr.: nature de particule   

A general term to describe → light involving the following phenomena: → reflection, → refraction, and → photoelectric effect. Compare → wave nature.

particle; → nature.

particle physics
  فیزیک ِ ذره‌ای   
fizik-e zarreyi (#)

Fr.: physique des particules   

The branch of physics that deals with the smallest known structures of matter and energy in order to understand the fundamental particles and forces of nature.

particle; → physics.

particular
  ۱) پارولی؛ ۲) پاروله   
1) pâruli; 2) pârulé

Fr.: particulier   

1) (adj.) Of or pertaining to a single or specific person, thing, group, class, occasion, etc., rather than to others or all; special rather than → general.
2a) (n.) An individual or distinct part, as an item of a list or enumeration.
2b) (n.) Logic: An individual or a specific group within a general class (Dictionary.com).

M.E., from O.Fr. particuler and directly from L.L. particularis "of a part, concerning a small part," from L. particula, → particle, + -ar, → -al.

Pâruli, adj. from pârul, → particle; pârulé, from pârul + nuance adj. .

particular astrolabe
  اسطرلاب ِ پارولی   
ostorlâb-e pâruli

Fr.: astrolabe particulier   

An → astrolabe that serves only a limited number of → latitudes.

particular; → astrolabe.

particular solution
  لویش ِ پارولی   
luyeš-e pâruli

Fr.: solution particulière   

Of partial differential equations, the solution which can be obtained from the general solution by particular choice of the arbitrary functions. → general solution; → singular solution.

particular; → solution.

particulate
  پارولی، پارولمند   
pâruldâr, pârulmand

Fr.: particule en suspension   

1) Of or relating to minute separate → particles.
2) A particulate → substance.

From Mod. L. particulatus, from particula, → particle.

From pârul, → particle, + suffix or -mand.

particulate matter (PM)
  ماده‌ی ِ پارولی   
mâdde-ye pâruli

Fr.: particule en suspension   

Meteorology: A complex → mixture of → microscopic → particles and → liquid droplets suspended in the → atmosphere, especially pollutants.

particulate; → matter.

partition
  ۱) پرکه؛ ۲) پرکش؛ ۳) پرکیدن   
1) parke; 2) parkeš 3) parkidan

Fr.: 1, 2) parition, cloison, division; 3) cloisonner, diviser   

1a) A division into or distribution in portions or shares.
1b) A separation; something that separates or divides; a part, division, or section.
2a) The act or process of dividing something into parts. The state of being so divided.
2b) Math.: → integer partition; → set partition.
2c) Computers: → disk partition.
3) To divide into parts or portions. To divide or separate by a partition.

M.E., from O.Fr. particion, from L. partition- "division, partition, distribution," from p.p. stem of partire "to part, divide," from PIE root *per- "to grant, allot," related to → part and akin to pake, as below.

Parke, from Kermâni parke "piece, part, fragmant," related to pâr "→ part;" parkidan, infinitive from parke; parkeš, verbal noun of parkidan.

partition function
  کرپای ِ پرکش   
karâ-ye parkeš

Fr.: fonction de partition   

See → integer partition.

partition; → function.

partition ratio
  وابر ِ پرکش   
vâbar-e parkeš

Fr.: rapport de partition   

The ratio of the → concentration of a → solute in a single definite form in the stationary phase to its concentration in the same form in the other phase at equilibrium.

partition; → ratio.

partitioning
  پرکه‌بندی   
parkebandi

Fr.: partition   

A chemical separation process whereby a solute is distributed between two phases.

partition; → -ing.

partitionment
  پرکه‌بندی   
parkebandi

Fr.:   

The act or fact of being partitioned.

partition; → -ment.

<< < -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 aut axi Baa bal Bal bar bar bea beh 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 CGS cha cha che che chr cir cir cis 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 cov cre cri cro cry cur cut Cyg DA dar dat de deb dec dec ded def def dei dem den dep des det dev dia dif dif dig Dio Dir dis dis dis dis dis dis div dom dou dow dri dur dus dyn dyn ear eav ecl Edd eff Ein Ekm ele ele ele ele ell emb emi enc ene ent eph equ equ equ eru eth eup eve EX exc exe exi exo exp ext ext ext fab fai far Fec fem fer fie fin fir fis fla flo flu foc for for Fou fra fre fre fro fun G r Gal gal gam gas Gau gel gen geo geo geo Gho gla goa gra gra gra gra gre Gre gro gyr had hal har har HD Hea Hel hel Her her hid hig hip hol hor hos hov Hub Hun hyd hyd hyd hyp IC ide ill ima imp imp inc inc ind ind inf inf inf inf inj InS ins int int int int int int int int int inv ion iro ise iso iso ite jet Jou Jup kap 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 mar mas mas mat max mea mea med men mer Mes met met mic Mic Mie Mil min mis mJy mod mol mon moo mot mul mul mut nad nas nat neb neg net neu New New nig Noe non non non Nor nov nuc nul num OB obl obs occ Ock off Ohm on- ope opi opt opt orb orb ord Ori ort osm out ove ozo pal pan par par par par pat pec pen per per per per per Pfu pha pho pho pho phy pie Pit Pla pla pla pla ple Poi pol pol pol pol pop pos pos pow pre pre pre pre pri pri pri pro pro pro pro pro pro Pro pub pul pyr qua qua qua qua qui rad rad rad rad rad rad rai ran Ras Ray rea rec rec rec red red ref reg reg rel rel rel rep res res res res Reu rhe Rie rig ris Roe Ros rot Rud ryd Sag sam sat sca sca Sch sci Sea sec sec see sel sem sen ser Sey Sha she sho sid sig sim sim sin ske sle smo Sob sof sol sol sol sol sou Sou spa Sp 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 ver vin vir vis Vog von wal wat wav wax wea wei Whi wil win WN7 wor X-r Yar You zer zod > >>