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: 3079 Search : on
inspection
  درگاسش   
dargâseš

Fr.: inspection   

1) The act of inspecting or viewing, especially carefully or critically.
2) Formal or official viewing or examination (Dictionary.com).

Verbal noun of → inspect.

installation
  درهش   
darheš

Fr.: installation   

1) Something installed, as machinery or apparatus placed in position or connected for use.
2) The act of installing.
3) The fact of being installed (Dictionary.com).

install; → -tion.

instantaneous acceleration
  شتاب ِ لحظه‌ای   
šetâb-e lahze-yi

Fr.: accélération instantanée   

The → acceleration of a particle at time t defined by a = lim Δvt = dv/dt. It is the limiting value of Δvt at time t as both Δv and Δt approach zero.

instantaneous; → acceleration.

instigation
  آغالش   
âqâleš (#)

Fr.: incitation   

The act of instigating; incitement.

Verbal noun of → instigate.

instrumental response function
  کریای ِ پاسخ ِ سازال   
karyâ-ye pâsox-e sâzâl

Fr.: fonction de la réponse instrumentale   

The mathematical form of the way an instrument affects the input signal.

instrumental; → response; → function.

instrumentation
  ۱) سازالگری؛ ۲) سازالگان   
1) sâzâlgari; 2) sâzâlgân

Fr.: instrumentation   

1) The design and use of scientific instruments for detection, measurement, control, computation, and so on.
2) The ensemble of instruments contained in a given machine or system.

From → instrument + -ation a combination of -ate and -ion, used to form verbal nouns.

Sâzâlgari, noun from sâzâlgar, → instrumentalist. Sâzâlgân, with plurality suffix -gân.

insulation
  عایق‌کاری   
âyeqkâri (#)

Fr.: isolation   

1) The act or fact of insulating.
2) Any material used to reduce or prevent the transfer of electricity, heat, cold, or sound.

Verbal noun from → insulate.

integer partition
  پرکش ِ درسته   
parkeš:-e doroste

Fr.: partition des entiers   

An expression of an integer nas the sum of one or more positive integers. The number of different partitions of n is denoted p(n). This function is called the partition function. For example, p(5) = 7, because 5 can be partitioned as: 5 = 5 = 4 + 1 = 3 + 2 = 3 + 1 + 1 = 2 + 2 + 1 = 2 + 1 + 1 + 1 = 1 + 1 + 1 + 1 + 1.

partition; → integer.

integral equation
  هموگش ِ دُرُستالی   
hamugeš-e dorostâli

Fr.: équation intégrale   

An equation involving an unknown function that appears as part of an integrand.

integral; → equation.

integral function
  کریای ِ دُرُستالی   
karyâ-ye dorostâli

Fr.: fonction intégrale   

A function whose image is a subset of the integers, i.e. that takes only integer values.

integral; → function.

integrated electronics
  الکترونیک ِ یکپارچه، ~ دُرُستالیده   
elektronik-e dorostâlidé

Fr.: électronique intégrée   

The branch of electronics that deals with integrated circuits, especially the interdependence of material, circuits, and design.

Integrated, p.p. of → integrate; → electronics.

integration
  دُرُستالش، دُرُستال‌گیری   
dorostâleš, dorostâlgiri

Fr.: intégration   

In calculus the operation which consists of finding the areas enclosed by curves through the summations of infinitesimals. The inverse process of differentiation.

Verbal noun of → integrate.

integration time
  زمان ِ دُرُستالش   
zamân-e dorostâleš

Fr.: temps d'intégration   

The time during which a detector integrates the incoming photons.

integration; → time.

intensification
  درتنویش   
dartanuyeš

Fr.: intensification   

The action of making or becoming stronger or more extreme.

verbal noun of → intensify.

intensity of radiation
  درتنویی ِ تابش   
datanuyi-e tâbeš

Fr.: intensité de rayonnement   

The rate of emitted energy from unit surface area through unit solid angle. The radiation from a surface has different intensities in different directions.

intensity; → radiation.

interaction
  اندرژیرش   
andaržireš

Fr.: interaction   

General: Mutual or reciprocal action or influence.
Physics: 1) What happens between a system and its surroundings when an observable change in one corresponds to or correlates with an observable change in the other.
2) The natural phenomenon of the transfer of energy between two particles. The four known kinds of interactions, in the order of increasing strength, are: → gravitational, → weak, → electromagnetic, and → strong.

Interaction, from → inter-; + → action.

interactional
  اندرژیرشی   
andaržireši

Fr.:   

Capable of acting on or influencing each other

From → interaction; + → -al.

interarm region
  ناحیه‌ی ِ اندربازو، ~ ِ اندر-ا َرم   
nâhiye-ye andarbâzu, ~ andararm

Fr.: région interbras   

A low-density region separating the spiral arms of a galaxy.

Interarm, from → inter- + arm "body part," from O.E. earm "arm," from P.Gmc. *armaz (cf. M.Du., Ger. arm, O.N. armr, O.Fris. erm), from PIE base *ar- "to fit, join;" Mod.Pers. arm "arm, from the elbow to the shoulder;" Av. arma-, arəmo- "arm;" Skt. irma- "arm;" Gk. arthron "a joint," L. armus "shoulder;" → region.

Andarbâzu, from andar-, → inter-, + bâzu "arm," from Mid.Pers. bâzûk "arm;" Av. bāzu- "arm;" cf. Skt. bāhu- "arm, forearm;" Gk. pechys "forearm, arm, ell;" O.H.G. buog "shoulder;" Ger. Bug "shoulder;" Du. boeg; O.E. bôg, bôh "shoulder, bough;" E. bough " a branch of a tree;" PIE *bhaghu- "arm"); nahiyé, → region. Andararm, from andar-, → inter-, + arm, as above.

intercalation
  اندرهل   
andarhel

Fr.: intercalation   

The act of intercalating; insertion. Something that is intercalated.
Astro.: An insertion into a calendar, → intercalate.
Geology: The presence of a body of rock interbedded with another body of different rock.

The verbal noun of → intercalate.

interconnect
  اندر-هابندیدن   
andar-hâbandidan

Fr.: interconnecter, s'interconnecter   

To be or become connected reciprocally.

inter- + → connect.

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