An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

   Homepage   
   


A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

<< < -ge Gal Gal gal Gar gau gel gen geo geo geo gia glo Gou gra gra gra Gre gri gui > >>

Number of Results: 394
generalized velocities
  تنداهای ِ هروینیده   
tondâhâ-ye harvinidé

Fr.: vitesses généralisées   

The time → derivatives of the → generalized coordinates of a system.

generalized; → velocity.

generate
  آزانیدن   
âzânidan

Fr.: générer   

To bring into existence; create; produce.
Math.: To trace (a figure) by the motion of a point, straight line, or curve.

Generate, from M.E., from L. generatus "produce," p.p. of generare "to bring forth," from gener-, genus "descent, birth," akin to Pers. zâdan, Av. zan- "to give birth," as explained below.

Âzânidan, from â- nuance/strengthening prefix + zân, from Av. zan- "to bear, give birth to a child, be born," infinitive zazāite, zāta- "born;" Mod.Pers. zâdan, present stem zā- "to bring forth, give birth" (Mid.Pers. zâtan; cf. Skt. jan- "to produce, create; to be born," janati "begets, bears;" Gk. gignomai "to happen, become, be born;" L. gignere "to beget;" PIE base *gen- "to give birth, beget") + -idan infinitive suffix.

generation
  آزانش   
âzâneš

Fr.: génération   

1) A coming into being.
2) The → production of → energy (→ heat or → electricity).

Verbal noun of → generate.

generative
  آزاننده، آزانشی   
âzânandé, âzâneši

Fr.: génératif   

1) Capable of producing or creating.
2) Pertaining to the production of offspring.

generate; → -ive.

generator
  آزانگر   
âzângar

Fr.: générateur   

1) A machine for converting one form of energy into another.
2) Geometry: That which creates a line, a surface, a solid by its motion.

From L. generator "producer," from genera(re)generate + -tor a suffix forming personal agent nouns from verbs and, less commonly, from nouns.

Âzângar, from âzân the stem of âzânidangenerate + -gar suffix of agent nouns, from kar-, kardan "to do, to make" (Mid.Pers. kardan; O.Pers./Av. kar- "to do, make, build," Av. kərənaoiti "makes;" cf. Skt. kr- "to do, to make," krnoti "makes," karma "act, deed;" PIE base kwer- "to do, to make").

genetic
  ژنتیک، ژنتیکی   
ženetik (#), ženetiki (#)

Fr.: génétique   

Pertaining or according to → genetics or → genes.

From Gk. genetikos, from genesis "origin," → gene; → -ic.

genetics
  ژنتیک   
ženetik (#)

Fr.: génétique   

The study of heredity and inheritance, of the transmission of traits from one individual to another, of how genes are transmitted from generation to generation.

From → genetic and → -ics.

genius
  ۱) فرهوش؛ ۲) فرهوشی   
1) farhuš; 2) farhuši

Fr.: génie   

1) An exceptionally intelligent person or one with exceptional skill in a particular area of activity.
2) Exceptional intellectual or creative power or other natural ability (Oxford Dictionaries).

From L. genius "tutelary deity or genius of a person;" originally "generative power," from gignere "beget, produce," → generate.

Farhuš, from far- intensive prefix "much, abundant; elegantly," → perfect, + huš, → intelligence. Farhuši, from farhuš + -i.

genocide
  نژادکشی   
nežâdkoši (#)

Fr.: génocide   

The deliberate and systematic extermination of a national, racial, political, or cultural group (Dictionary.com).

From Gk. genos "race, kind," → generate, + → -cide.

Nežâdkoši, from nežâd, → race, + koši, → -cide.

genus
  سرده   
sardé (#)

Fr.: genre   

1) Biology: The usual major subdivision of a family or subfamily in the classification of organisms, usually consisting of more than one species.
2) Logic: A class or group of individuals, or of species of individuals.
3) A kind; sort; class (Dictionary.com).

From L. genus "race, stock, kind, gender;" cognate with Gk. genos "race, kind," and gonos "birth, offspring, stock," → generate.

Sardé, from Mid.Pers. sardag "sort, kind;" Av. sarrəδa- "kind, type."

geo-
  زمین-   
zamin- (#)

Fr.: géo-   

A combining form meaning "the earth," used in the formation of compound words.

Geo-, form Gk. ge "earth, land, ground, soil."

Zamin, zami "earth, ground," from Mid.Pers. zamig "earth;" Av. zam- "the earth;" cf. Skt. ksam; Gk. khthôn, khamai "on the ground;" L. homo "earthly being" and humus "the earth" (as in homo sapiens or homicide, humble, humus, exhume); PIE root *dh(e)ghom "earth."

geocentric
  زمین‌مرکزی   
zamin-markazi (#)

Fr.: géocentrique   

1) Relating to, measured from, or with respect to the center of the Earth.
2) Having the earth as a center. → geocentric coordinate system, → Geocentric Coordinate Time, → geocentric cosmology, → geocentric parallax, → geocentric system.

geo- + → center + -ic an adjective-forming suffix.

geocentric coordinate system
  راژمان ِ هماراها‌ی ِ زمین‌مرکزی   
râžmân-e hamârâhâ-ye zamin-markazi

Fr.: système de coordonnées géocentriques   

A coordinate system which has as its origin the center of the Earth.

geocentric; → coordinate; → system.

Geocentric Coordinate Time (TCG)
  زمان ِ همارا‌ی ِ زمین‌مرکزی   
zamân-e hamârâ-ye zamin-markazi

Fr.: Temps coordonné géocentrique   

The proper time experienced by a clock at rest in a coordinate frame co-moving with the center of the Earth, i.e. a clock that performs exactly the same movements as the Earth but is outside the Earth's gravity well. TCG was defined in 1991 by the International Astronomical Union as one of the replacements for Barycentric Dynamical Time (TDB).

geocentric; → coordinate; → time.

geocentric cosmology
  کیهان‌شناسی ِ زمین‌مرکزی   
keyhân-šenâsi-ye zamin-markazi (#)

Fr.: cosmologie géocentrique   

A model of the Universe in which the Earth is centrally located and the Sun, planets, and stars revolve around the Earth.

geocentric; → cosmology.

geocentric latitude
  ورونای ِ زمین-مرکزی   
varunâ-ye zamin-markazi

Fr.: latitude géocentrique   

The angle between the geocentric location vector and the → geodetic equator.

geocentric; → latitude.

geocentric longitude
  درژنای ِ زمین-مرکزی   
derežnâ-ye zamin-markazi

Fr.: longitude géocentrique   

The same as → geodetic longitude.

geocentric; → longitude.

geocentric parallax
  دیدگشت ِ زمین‌مرکزی   
didgašt-e zamin-markazi

Fr.: parallaxe géocentrique   

The difference between the direction of an object as seen from a point on the surface of the Earth and the direction in which it would be seen from the Earth's center. Also known as → diurnal parallax.

geocentric; → parallax.

geocentric system
  راژمان ِ زمین‌مرکزی   
râžmân-e zamin-markazi

Fr.: système géocentrique   

An ancient model of the Universe whereby all the celestial bodies travel around the Earth in circular orbits. Eudoxus of Cnidus (c. 390- c. 337 BC), one of Plato's pupils, maintained that all objects in the sky are attached to moving crystalline spheres, with the Earth at the centre. This model is often named → Ptolemaic system after its most famous supporter, the Greco-Roman astronomer Ptolemy.

geocentric; → system.

geocorona
  زمین‌تاج   
zamin-tâj (#)

Fr.: géocouronne   

The outermost part of Earth's atmosphere, a tenuous halo of hydrogen and some helium extending out to perhaps 15 Earth radii, which emits Lyman-alpha radiation when it is bombarded by sunlight.

From → geo- + → corona.

<< < -ge Gal Gal gal Gar gau gel gen geo geo geo gia glo Gou gra gra gra Gre gri gui > >>