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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<< < -es -iv -ti 21 a p abe abs abs aca acc acc acr act ada adh Adr aer aga air Alf Alg alk Alp alt alu amm ana And ang ani ano ant ant Ap apo app app Aqu Arc arg arr asc ass ast ast asy atm ato att aur aut axi B-m bad Bal bar bar Bay Bed ber Bet bif bim bin bio bis bla ble blu Bod Bol bor bou Bra Bre bro bul C-t Cal Cam can car Car Cas cat cav cel cen cer Cha cha Cha che chl Cir cir cir Cla cli clo clu co- coc 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 Cre cri cro cub cur cyc cyl Dan dat Dav de- Deb dec dec dee def deg del Den den der det deu dew dic dif dif dil Dip dir dis dis dis dis dis diu dod Dop dou Dra dua dus dwa dyn DZ Ear ecc eco edi EHB Ein ela ele ele ele ele ell eme emp end Eng ent epi equ equ era ESP eth Eur evi exa exc exe exi exp exp ext ext ext fac fal far fec Fer fer fie fin fir fis fla Flo flu fog for for Fou fra fre fre Fro fun G s Gal gal gal Gar gau geg gen geo geo geo ger gla gly gra gra gra gra gra Gre gro GYR Had Hal hap Har HD hea hel hel Hen Her hex hig Hil hol Hoo hor hou Hub hum hyb hyd hyd hyp hys ide ign ima imp imp in- inc Ind ind ine inf inf inf ini ins ins ins int int int int Int int int int inv ion iri irr iso iso iso Jea Jor jum K c Kep Ker kin kno lab Lam Lan Lap las lat Le lef len lev lig lig lin lin lin liq Lit loc log lon lou LS lun lun Lym M s Mag mag mag mag mag mag maj man Mar mas mas mat May mea mec mel mer mes met met met mic mid mil Min Mir mix mod mod mol mon mor mov mul mur mys nan nat nav nec Nep neu New New NGC nob nom non non nor nos nuc nuc num nut obj obl obs occ oct off oli oni ope opp opt opt orb ord org orp osc out ove oxi P-w pal par par par par Pas pat pej per per per per per per pha Phe pho pho pho phy pin pla Pla pla pla pla plu poi pol pol Pol pol por pos pot Poy pre pre pre pre pri pri pri pro pro pro pro pro pro Psa pul pum Q i qua qua qua qua R A rad rad rad rad rad rad Ram Ran rat rea rea rec rec red red ref ref reg rei rel rel rem rep res res res ret rev Rho Rie ril riv rog Ros rot rul S A Sag sam sat sca sca Sch Sco Sec sec sec seg sel sem sen set Sha sha shi sho sid sig sim sin Sir ske sli Smo soc sof sol sol sol sol sou sou spa spe spe Spe spe sph spi Spi spr sta sta sta sta sta ste ste ste Sto str str sub sub sub suc sun sup sup sup sup sur swa syn syn tac tas tel tem ter tes the the the the thi thr tid til tip ton tor tou tra tra tra tra Tri tri tru tsu tur two Typ UHE ult unc uni uni uni upg 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 > >>

Number of Results: 13116 Search : far
proportionality constant
  پایای ِ برپارشیگی   
pâyâ-ye barpârešigi

Fr.: constante de proportionalité   

Math.: A → constant that converts a proportionality into an → equation. Thus the proportionality constant k converts the proportionality y ∝ x into the equation y = kx.

proportionality + → constant.

propose
  فراهلیدن   
farâhelidan

Fr.: proposer   

To offer or suggest (a matter, subject, case, etc.) for consideration, acceptance, or action (Dictionary.com).

M.E., from M.Fr. poposer, from → pro- "forth," + poser "put, place," → position.

Farâhelidan, from farâ-, → pro-, + helidan, heštan "to place, put" from Mid.Pers. hištan, hilidan "to let, set, leave, abandon," Parthian Mid.Pers. hyrz; O.Pers. hard- "to send forth," ava.hard- "to abandon;" Av. harəz- "to discharge, send out; to filter;" hərəzaiti "releases, shoots;" cf. Skt. srj- "to let go or fly, throw, cast, emit, put forth;" Pali sajati "to let loose, send forth."

proposition
  فراهل، گزاره   
farâhel, gozâré (#)

Fr.: proposition   

1) The act of offering or suggesting something to be considered, accepted, adopted, or done.
2) A plan or scheme proposed.
3) Logic: A statement in which something is affirmed or denied, so that it can therefore be significantly characterized as either true or false.
4) Math.: A formal statement of either a truth to be demonstrated or an operation to be performed; a theorem or a problem (Dictionary.com).

Verbal noun of → propose.

propositional
  گزاره‌ای   
gozaare#ay (#)

Fr.: propositionnel   

Logic: Of, relating to, or in the form of a → proposition.

proposition; → -al.

propositional constant
  پایای ِ گزاره‌ای   
pâyâ-ye gozaare#ay

Fr.: constante propositionnelle   

Logic: A → propositional symbol that represents a → specific → proposition.

propositional; → constant.

propositional logic
  گوییک ِ گزاره‌ای، ~ گزاره‌ها   
guyik-e gozâre-yi, ~ gozaarehâ

Fr.: logique propositionnelle   

A branch of logic that deals with the → truth values of logical statements (→ sentences, → propositions) and uses → logical connectives to build more complex → expressions. The distinctive feature of propositional logic is that it does not deal with logical relationships and properties that involve the parts of a statement smaller than the simple statements making it up. The propositions are evaluated as → true or → false. A more expressive system is provided by the → first-order logic.

proposition; → -al; → logic.

propositional symbol
  نماد ِ گزاره‌ای   
nemâd-e gozâreyi

Fr.: symbole propositionnel   

An upper case letter, e.g. "A," "B," "C," etc. representing a → proposition. Propositional symbols are divisible into two sorts: → propositional constants and → propositional variables.

propositional; → symbol.

propositional variable
  ورتنده‌ی ِ گزاره‌ای   
vartande-ye gozâre-yi

Fr.: variable propositionnel   

Logic: A → propositional symbol that represents any → proposition whatsoever.

propositional; → variable.

propulsion
  پیشرانش   
pišrâneš (#)

Fr.: propulsion   

The act or process of propelling. The state of being propelled.

Verbal noun from → propel.

propylene
  پروپیلن   
propilen

Fr.: propylène   

A colorless, flammable gaseous → hydrocarbon C3H6, also known as propene. It is found in coal gas and can be synthesized by cracking petroleum or by the dehydrogenation of propane.

From propyl (prop(ionic acid) + -yl) + -ene.

prosecutor
  دادستان   
dâdsetân (#)

Fr.: procureur   

A person who institutes or conducts legal proceedings, especially in a criminal court.

M.L. prosecutor, agent noun from prosequi "follow after, accompany; chase, pursue;" from → pro- "forward" + sequi "to follow," → sequence.

Dâsetân, literally "justice obtainer," from dâd, → justice, + setân agent noun of setândan "to obtain, to take," from Mid.Pers. statan "to take, seize;" Av. (+ *fra-) frastan- "to take, convey forward;" Proto-Ir. *staHn- "to take;" cf. L. prae-stināre "to buy, fix a price" (Cheung 2007).

prospect
  ۱) فراگاس؛ ۲) فراگاسیدن   
1) farâgâs; 2) farâgâsidan

Fr.: 1) prospective; 2) prospecter   

1) The outlook for the future.
2) To explore a region for mineral deposits.

M.E. prospecte, from L. prospectus "view, outlook," from prospicere "look out on, look forward," from → pro- "forward" + specere "look at," → speculate.

Farâgâs, from farâ-, → pro-, + gâs "to look," → speculate.

prospective
  فراگاسی   
farâgâsi

Fr.: 1) en perspective; 2) éventuel   

1) Of or in the future.
2) Likely to be or become or come about.

From Fr. prospectif, from M.L. prospectivus, from L. prospect-, from prospicere, → prospect.

Adj. from farâgâs, → prospect.

prospectus
  فراگاسه   
farâgâsé

Fr.: prospectus   

A formal statement that gives details of a forthcoming event.
A printed document describing something (such as attractions or services) to clients or members.

From L. prospectus "outlook, view," → prospect.

From farâgâs, → prospect, + nuance suffix .

protactinium
  پروتکتینیوم   
protaktiniom

Fr.: protactinium   

A → radioactive → chemical element which is a malleable, shiny silver-gray metal; symbol Pa. → atomic number 91; → mass number of most stable isotope 231; → melting point greater than 1,600°C; → boiling point 4,026°C; calculated → specific gravity 15.37; → valence +4, +5. Protactinium has 24 → isotopes of which only three are found in nature. The most stable is protactinium-231 (→ half-life about 32,500 years); it is also the most common, being found in nature in all uranium ores in about the same abundance as radium. The element was discovered by Otto Hahn and Lise Meitner, who found one of its isotopes in 1917. It was isolated in 1934, by Aristid von Grosse.

Protactinium, literally "parent of actinium," because actinium is a decay product of protactinium, from Gk. protos "first," → proto-, + → actinium.

protected bands
  باندهای ِ نگهداریده   
bândhâ-ye negahdâridé

Fr.: bandes protégées   

Certain frequencies, not used for civil or military purposes (radio, television, communication channels, etc.), which are protected for research in radioastronomy, one such being 21 cm.

Protected p.p. of protect, from L. protectus, p.p. of protegere "protect, cover in front," from → pro- "in front" + tegere "to cover;" → band.

Bând, → band; negahdâridé p.p. of negahdâridan, variant of negahdâštan "to keep, behold, preserve, take care of," from negah, negâh "watch, care, custody, look" + (Mid.Pers. nikâh "look, glance, observation;" Proto-Iranian *ni-kas- "to look down," from ni- "down" (cf. O.Pers. ni preposition and verbal prefix "down;" Av. "down, in ,into;" Skt. ni "down," nitaram "downward;" Gk. neiothen "from below;" E. nether; O.E. niþera, neoþera "down, downward, below, beneath," from P.Gmc. *nitheraz (O.S. nithar, O.N. niðr, O.Fris. nither, Du. neder, Ger. nieder); PIE *ni- "down, below") + *kas- "to look, appear;" cf. Av. nikā-, nikāta- (in the name of the 15-th nask) "that which is observed," ākas- "to look;" Mid.Pers. âkâh, Mod.Pers. âgâh "aware, knowing;" Skt. kāś- "to become visible, appear;" Ossetic kast/kaesyn "to look") + dâridan, dâštan "to have, hold, maintain, possess" (Mid.Pers. dâštan; O.Pers./Av. root dar- "to hold, keep back, maintain, keep in mind;" cf. Skt. dhr- "to to hold, keep, preserve," dharma- "law;" Gk. thronos "elevated seat, throne;" L. firmus "firm, stable;" Lith. daryti "to make;" PIE *dher- "to hold, support").

protest
  ۱) پاخوس؛ ۲) پاخوسیدن   
1) pâxos; 2) pâxosidan

Fr.: 1) protestation; 2) protester   

1) An expression or declaration of objection, disapproval, or dissent, often in opposition to something a person is powerless to prevent or avoid.
2) To give manifest expression to objection or disapproval; remonstrate (Dictionary.com).

M.E., from O.Fr. protest, from preotester, and directly from L. protestari "to declare publicly, protest," from → pro- "forth, before" + testari "testify," from testis "witness."

Pâxos, literally "strike against," from pâ-, contraction of pâd- "agianst," → counter-, + xos "to strike," Gazi xos-, xus-, xûs- "to strike, throw;" Hamedani xostän, xus- "to throw", Khunsari xus- "to strike, throw," Kurd. (Sorani) xa-, (Kurmanji) xistin, xi- "to strike, beat," Qohrudi xosta "to throw," Ardestâni xoste, Shughni xust, xay-; Mid.Pers. xwas-, hws- "to trample;" Av. paiti xvanh- "to thresh;" Proto-Ir. *huah- "to strike, thresh" (Cheung 2007). ,

Protestant
  پاخوسان   
pâxosân

Fr.: protestant   

1a) (n.) An adherent of any of those Christian bodies that separated from the Church of Rome during the Reformation, or of any group descended from them.
1b) (originally) Any of the German princes who protested against the decision of the Diet of Speyer in 1529, which had denounced the Reformation.
1c) (lowercase) One who makes or enters a protests.
2a) (adj.) Belonging or pertaining to Protestants or their religion.
2b) (lowercase) protesting (Dictionary.com).

From Ger. or Fr. protestant, from L. protestantem (nominative protestans), p.p. of protestari, → protest.

Pâxosân agent noun or adj. from pâxosidan, → protest.

Protestantism
  پاخوسانگرایی، پاخوسان‌باوری   
pâxosângerâyi, pâxosânbâvari

Fr.: protestantisme   

The religion of → Protestants.

protestant; → -ism.

protestation
  پاخوسش   
pâxoseš

Fr.: protestation   

1) The act of protesting.
2) Formal expression or declaration of objection, dissent, or disapproval (Dictionary.com).

protest; → -tion.

<< < -es -iv -ti 21 a p abe abs abs aca acc acc acr act ada adh Adr aer aga air Alf Alg alk Alp alt alu amm ana And ang ani ano ant ant Ap apo app app Aqu Arc arg arr asc ass ast ast asy atm ato att aur aut axi B-m bad Bal bar bar Bay Bed ber Bet bif bim bin bio bis bla ble blu Bod Bol bor bou Bra Bre bro bul C-t Cal Cam can car Car Cas cat cav cel cen cer Cha cha Cha che chl Cir cir cir Cla cli clo clu co- coc 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 Cre cri cro cub cur cyc cyl Dan dat Dav de- Deb dec dec dee def deg del Den den der det deu dew dic dif dif dil Dip dir dis dis dis dis dis diu dod Dop dou Dra dua dus dwa dyn DZ Ear ecc eco edi EHB Ein ela ele ele ele ele ell eme emp end Eng ent epi equ equ era ESP eth Eur evi exa exc exe exi exp exp ext ext ext fac fal far fec Fer fer fie fin fir fis fla Flo flu fog for for Fou fra fre fre Fro fun G s Gal gal gal Gar gau geg gen geo geo geo ger gla gly gra gra gra gra gra Gre gro GYR Had Hal hap Har HD hea hel hel Hen Her hex hig Hil hol Hoo hor hou Hub hum hyb hyd hyd hyp hys ide ign ima imp imp in- inc Ind ind ine inf inf inf ini ins ins ins int int int int Int int int int inv ion iri irr iso iso iso Jea Jor jum K c Kep Ker kin kno lab Lam Lan Lap las lat Le lef len lev lig lig lin lin lin liq Lit loc log lon lou LS lun lun Lym M s Mag mag mag mag mag mag maj man Mar mas mas mat May mea mec mel mer mes met met met mic mid mil Min Mir mix mod mod mol mon mor mov mul mur mys nan nat nav nec Nep neu New New NGC nob nom non non nor nos nuc nuc num nut obj obl obs occ oct off oli oni ope opp opt opt orb ord org orp osc out ove oxi P-w pal par par par par Pas pat pej per per per per per per pha Phe pho pho pho phy pin pla Pla pla pla pla plu poi pol pol Pol pol por pos pot Poy pre pre pre pre pri pri pri pro pro pro pro pro pro Psa pul pum Q i qua qua qua qua R A rad rad rad rad rad rad Ram Ran rat rea rea rec rec red red ref ref reg rei rel rel rem rep res res res ret rev Rho Rie ril riv rog Ros rot rul S A Sag sam sat sca sca Sch Sco Sec sec sec seg sel sem sen set Sha sha shi sho sid sig sim sin Sir ske sli Smo soc sof sol sol sol sol sou sou spa spe spe Spe spe sph spi Spi spr sta sta sta sta sta ste ste ste Sto str str sub sub sub suc sun sup sup sup sup sur swa syn syn tac tas tel tem ter tes the the the the thi thr tid til tip ton tor tou tra tra tra tra Tri tri tru tsu tur two Typ UHE ult unc uni uni uni upg 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 > >>