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: 624
incandescent
  فروزنده   
foruzandé (#)

Fr.: incandescent   

1) (Of light) produced by → incandescence.
2) Glowing or → white with → heat.
3) Intensely → bright; brilliant (Dictionary.com).

From Fr., from L. incandescent-, incandescens, p.p. of incandescere "to become hot," from → in- + candescere "to become hot," from candere "to glow."

Foruzandé, agent noun and verbal adj. from foruzidan, → glow.

incandescent lamp
  لامپ ِ فروزنده   
lâmp-e foruzandé (#)

Fr.: lampe à incandescence   

Electric lamp in which light is produced by the heating effect of a → metal  → filament.

incandescent; → lamp.

incidence
  فتاد   
fotâd (#)

Fr.: incidence   

1) The degree, extent, or frequency of occurrence, especially of something unwanted.
2) The act of striking a → light ray or → beam of particles on a surface. Also the direction of striking.

M.E., from M.Fr. incidence, from L.L. incidentia, from incidere "to happen, befall," from in- "on" + -cidere, combining form of cadere "to fall," → case.

Fotâd,literally "fall, the act of falling," from fotâdan "to fall," variant of oftâdan "to fall; to happen," → coincide.

incidence angle
  زاویه‌ی ِ فتاد   
zâviye-ye fotâd

Fr.: angle d'incidence   

Same as → angle of incidence.

incidence; → angle.

incident
  فتان   
fotân

Fr.: incident   

1) An instance of something happening; an event or occurrence.
2a) Likely or apt to happen.
2b) Falling or striking on something, as light rays or a beam of particles.

incidence.

Fotân, agent noun and adj. from fotâdan, → incidence.

incident ray
  پرتو ِ فتان   
partov-e fotân

Fr.: rayon incident   

The → light ray that strikes a surface before → reflection, → refraction, or → absorption. Opposite of → emergent ray.

incident; → ray.

incise
  درسوندن   
darsundan

Fr.: inciser   

To cut into; to cut marks upon.

M.E., from O.Fr. enciser, from L. incisus, p.p. of incidere "to cut into, cut through," from → in- + caedere "to cut," → precise.

Darsunidan, from dar, → in- + sun "cut," → precise.

incision
  درسونش   
darsuneš

Fr.: incision   

The act of incising. A cutting into, especially for surgical purposes.

Verbal noun of → incise.

incite
  در‌انگیختن   
darangixtan

Fr.: inciter   

To stir, encourage, or urge on; stimulate or prompt to action (Dictionary.com).

in-; → excite.

incitement
  در‌انگیزش   
darangizeš

Fr.: incitation, provocation   

The act of inciting. The state of being incited. motive.

Verbal noun of → incite.

inclination
  درکیل   
darkil

Fr.: inclinaison   

1) The angle between two lines or two planes.
2) An orbital element that defines the angle between the orbital plane of a solar system body (planet, comet, asteroid) and the plane of the ecliptic.
3) The angle between the equatorial and orbital planes of a planet.

Inclination, from M.E. inclinacioun, from L. inclination-, from inclinat(us) p.p. of inclinare, from → in- + clinare "to bend;" cf. Gk. klinein "to cause to slope, slant, incline;" Skt. sri- "to lean," O.Pers. θray-; Av. sray- "to lean;" Mod.Pers. kil "bent, inclined, slant;" PIE base *klei- "to lean, incline" from which is also derived P.Gmc. *khlinen (Ger. lehnen, E. lean).

Darkil, from prefix dar- "in" + kil "bent, crooked, inclined" [Dehxodâ], Mid.Pers. xwahl "bent, crooked" (Mod.Pers. dialectal/colloquial variants kowleh, cowleh, cowl, caval, xohl, xohal, hol), cf. Skt. kûla- "slope, declivity;" PIE base *klei-, as above.

inclination of axis
  درکیل ِ آسه   
darkil-e âse

Fr.: inclinaison de l'axe   

The angle between the rotation axis of a planet and the normal to the ecliptic.

inclination; → axis.

incline
  درکیلیدن   
darkililan

Fr.: s'incliner; incliner   

To deviate from the vertical or horizontal; slant.

Verbal form of → inclination.

include
  درکلاندن   
darkolândan

Fr.: inclure   

To comprise as a part. See also → conclude, → exclude.

From L. includere "to shut in, enclose, imprison, insert," from → in- "in" + claudere "to shut, close; to block up, make inaccessible," ultimately from PIE root *klau- "hook, hooked branch or piece of wood; bolt, bar;" cf. L. clavis "key," clavus "nail," claustrum "bar, bolt, barrier;" Gk. kleidos "bar, bolt, key;" O.Ir. clo "nail;" M.Ir. clithar "hedge, fence;" O.C.S. kljuci "hook, key," kljuciti "shut;" Lith. kliuti "to catch, be caught on;" O.H.G. sliozan "shut," Ger. schließen "to shut," Schlüssel "key."

Darkolândan, from dar-, → in-, + kolândan "to shut," from kolân "wooden bolt, latch;" variants kelân, kolun, kolum, koland, kolandân, kelid, kelidân "wooden bolt, latch;" kalâk "a crook stick for gathering fruit;" (Tabari) kali, (Lori) kelil, (Laki) kalil "key; lock;" (Kurd.) kilil, kilij "key;" (prefixed) biškal(a) "a crooked stick for opening a lock, a sort of key;" (Kurd. Kurmanji) kelemce "handcuff;" (štiyâni) keleku "a large wooden mallet used by bleachers;" (prefixed) eškelak "a piece of wood used between a thief's fingers to force him confess;" kor-mix, gol-mix "a large-headed peg or stake;" Mid.Pers. kilêl "key." This family of Pers. words is probably related to PIE root *klau- "hook, hooked branch or piece of wood; bolt, bar," as above.

inclusion
  درکلان   
darkolân

Fr.: inclusion   

1) The act of including; the state of being included; that which is included.
2) Fragment of foreign material enclosed within the mass of a → mineral or → meteorite. See also → CAI meteorite.

Verbal noun of → include.

incoherent waves
  موج‌های ِ ناهمدوس   
mowjhâ-ye nâhamdus (#)

Fr.: ondes incohérentes   

The lack of a fixed phase relationship between two or more waves. → coherent.

Incoherent, from negation prefix → in- + → coherent; → wave.

incompatibility
  ناسازگاری   
nâsâzgâri (#)

Fr.: incompatibilité   

1) The condition of two things being so different in nature as to be unable to exist together.
2) Logic: (Of two or more propositions) unable to be true simultaneously.

incompatible; → -ity.

incompatible
  ناسازگار   
nâsâzgâr (#)

Fr.: incompatible   

Of two or more propositions, unable to be true simultaneously. → compatible.

From M.L. incompatibilis, from → in- "not" + compatibilis (→ compatible).

Nâsâzgâr, from nâ- "not," → in-, + sâzgâr, → compatible.

incompleteness
  نا-اُسپری   
nâ-ospori

Fr.: incomplétude   

The state of being incomplete, for example in photometric studies of a population of stars when the faintest members of the population are lacking. → completeness

Negative of → completeness.

incompressible flow
  تچان ِ ناتنجیدنی، ~ ِ تنجش‌ناپذیر   
tacân-e nâtanjidani, ~ tanješnâpazir

Fr.: écoulement incompressible   

A flow whose volume or density does not change under pressure, and therefore its density is a constant. In other words, an ideal flow in which the → divergence of velocity is zero. → compressible flow.

incompressible, from → in "not" + → compressible; → flow.

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