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: 13116 Search : far
Indian numeral system
  راژمان ِ عددهای ِ هندی   
râžmân-e adahâ-ye Hendi

Fr.: numération indienne   

The → numeral system consisting of the numerals 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 which evolved into the system we use today. The Indian numerals was a place-value or positional system. The Indians were the first to develop a base 10 positional system. Same as → Hindu-Arabic numeral system.

Indian, from India, → Indus; → numeral; → system.

indigo
  نیل   
nil (#)

Fr.: indigo   

A color between blue and violet.

From Sp. indico, Portuguese endego, and Du. (via Portuguese) indigo, from L. indicum "indigo," from Gk. indikon "blue dye from India," literally "Indian (substance)," neuter of indikos "Indian," → Indus.

Nil "indigo color; the indigo plant;" Mid.Pers. nil; cf. Skt. nīlī, nīlā "the indigo plant; indigo color."

indirect
  ناسرراست   
nâsarrâst (#)

Fr.: indirect   

Not in a direct course, path, action, or procedure.

in-; → direct.

indirect object
  کندار ِ ناسرراست   
kondâr-e nâsarrâst

Fr.: objet indirect   

A word or group of words representing the person or thing with reference to which the action of a verb is performed. In English generally coming between the verb and the direct object and paraphrasable as the object of a preposition, usually to or for, following the direct object, as the boy in He gave the boy a book (Dictionary.com).

indirect; → object.

individual
  تکال   
takâl

Fr.: 1) individu; 2) individuel   

1a) A single human being, as distinguished from a group (Dictionary.com).
1b) A distinct, indivisible entity; a single thing, being, instance, or item (Dictionary.com).
1c) Logic: An → object or element taken as the → subject of the → predicates of → first-order logic.
2) Of, pertaining to, or characteristic of a particular person or thing. → individual constant, → individual variable.

M.E., from M.L. individualis, from L. individuus "indivisible," from → in- "not, opposite of" + dividuus "divisible," from dividere, → divide.

Takâl, from tak, → single, + suffix -âl, → -al; takâli with adj. suffix -i.

individual constant
  پایای ِ تکال   
pâyâ-ye takâl

Fr.: constant individuel   

In predicate logic: A → word or → expression that represents a → specific  → individual or → object. A single object can be denoted by multiple individual constants, reflecting the fact that objects can have multiple names. On the other hand, any individual constant can only denote one object. Individual constants are represented by lower case letters from the beginning of the alphabet: a, b, c.

individual; → constant.

individual variable
  ورتنده‌ی ِ تکال   
vartande-ye takâl

Fr.: variable individuel   

In → predicate logic, a variable which represents an unspecified → subject. Individual variables work just as do variables in algebra, they stand in for a value, but have no fixed value of their own. They are represented by lower case letters taken from the end of the alphabet x, y, z; and if additional variables are needed by u, v, w, as well.

individual; → variable.

individualism
  تکالگرایی   
takâlgerâyi

Fr.: individualisme   

1) A social theory advocating the liberty, rights, or independent action of the individual (Dictionary.com).
2) An individual peculiarity.

individual; → -ism.

individualist
  تکالگرا   
takâlgerâ

Fr.: individualiste   

1) A person who shows great independence or individuality in thought or action (Dictionary.com).
2) An advocate of → individualism (Dictionary.com).

individual; → -ist.

individuality
  تکالی   
takâli

Fr.: individualité   

The particular character, or aggregate of qualities, that distinguishes one person or thing from others (Dictionary.com).

individual; → -ity.

individualization
  تکالش   
takâleš

Fr.: individualisation   

The process or state of discriminating the individual from the generic group or species.

individualize; → -tion.

individualize
  تکالیدن   
takâlidan

Fr.: individualiser   

To make individual or distinctive; give an individual or distinctive character to (Dictionary.com).

individual; → -ize.

induce
  درهاختن، درهازیدن   
darhâxtan, darhâzidan

Fr.: induire   

To cause or initiate by influence or some means; e.g. → induced current; → induced emission.

Induce, "to lead by persuasions or other influences," from L. inducere "to lead into, persuade," from → in- "in" + ducere "to lead," from PIE *deuk- "to lead" (cf. O.E. togian "to pull, drag," O.H.G. ziohan "to pull").

Darhâxtan, darhâzidan, from dar- "in" + Mid.Pers. hâxtan, hâzidan, "to lead, guide, persuade;" Av. hak-, hacaiti "to attach oneself to, to join;" cf. Skt. sacate "accompanies, follows;" Gk. hepesthai "to follow,"; L. sequi "to follow;" PIE *sekw- "to follow."

induced
  درهازیده، درهاخته   
darhâzidé, darhâxté

Fr.: induit   

Brought about or caused by → induction.

Induced, p.p. of → induce.

induced current
  جریان ِ درهازیده، ~ ِ درهاخته   
jarayân-e darhâzidé, ~ darhâxté

Fr.: courant induit   

Current resulting from the relative motion of a conductor through a magnetic field.

induced ; → current.

induced electric field
  میدان ِ برقی ِ درهازیده، ~ ِ ~ ِ درهاخته   
meydân-e barqi-ye darhâzidé, ~ ~ darhâxté

Fr.: champ électric induit   

An electric field created by the variation of a magnetic field. The induced electric field lines are usually perpendicular to the changing magnetic field that produces them.

induced; → electric; → field.

induced emission
  گسیل ِ درهاخته، ~ ِ درهازیده   
gosil-e darhâxté, ~ darhâzidé

Fr.: émission induite   

The emission of radiation from an atom when it is bombarded by photons. The induced radiation has the same wavelength and direction as the bombarding radiation. Same as → stimulated emission.

induced; → emission.

induced fission
  شکافت ِ درهازیده، ~ درهاخته   
šekâft-e darhâzidé, ~ darhâxté

Fr.: fission induite   

Fission which takes place when a nucleon is bombarded with neutrons or high-energy radiation (gamma rays).

Induced, p.p. of → induce; → fission.

inductance
  درهازندگی   
darhâzandegi

Fr.: inductance   

The property of an electric circuit, or of two neighboring circuits, by virtue of which an electromotive force is induced in one circuit by a change of current in either of them.

Inductance, from induct, from L. inductus, p.p. of → induce + → -ance.

induction
  درهازش   
darhâzeš

Fr.: induction   

1) General: The act of inducing, bringing about, or causing.
2) Electromagnetism: A common term for the process by which a body having electric or magnetic properties produces magnetism, an electric charge, or an → electromotive force in a neighboring body without contact. For more details, see → electromagnetic induction; → electrostatic induction; → magnetic induction.
3) Math.: A method of mathematical proof typically used to establish that a given statement is true of all natural numbers. It is done by proving that the first statement in the infinite sequence of statements is true, and then proving that if any one statement in the infinite sequence of statements is true, then so is the next one.
4) Logic: Any form of reasoning in which the conclusion, though supported by the premises, does not follow from them necessarily. → inductive reasoning.

Verbal noun of → induce.

<< < -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 > >>