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: 383
outer planet
  سیاره‌یِ بیرونی   
seyyâre-ye biruni (#)

Fr.: planète extérieure   

A planet that revolves around the Sun beyond the → asteroid belt, namely → Jupiter, → Saturn, → Uranus, and → Neptune.

out; → planet.

outer space
  فضا، برون-فضا، فضای ِ بیرونی   
fazâ, borun-fazâ, fazâ-ye biruni

Fr.: espace, espace extra-atmosphérique   

The space beyond the Earth's atmosphere.

outer; → space.

outflow
  ا ُستچان   
ostacân

Fr.: flot, écoulement   

The act of flowing out; a fluid that flows out; any outward movement. Opposite of → inflow.

out + → flow.

outgassing
  ا ُسگازش   
osgâzeš

Fr.: dégazage   

1) General: The slow release of a gas that was trapped, frozen, absorbed or adsorbed in some material.
2) Planets: Release of the gases locked in the interior of a planet during volcanic activity so that they become part of the planet's atmosphere.

out + verbal noun from → gas.

output
  برونداد   
borundâd (#)

Fr.: sortie   

1) Power which is given out by any plant or part of such plant, in the form and for the purpose required.
2) Computers: The information produced by a program or process from a specific → input.

From → out + put, from M.E. put(t)en "to push, thrust, put;" O.E. *putian.

borundâd, from borun, birun, → out, + dâd "given," p.p. of dâdan "to give" (Mid.Pers. dâdan "to give," O.Pers./Av. dā- "to give, grant, yield," akin to L. data, → datum).

outreach
  برون‌رسانی، همه‌آموزی   
borun-rasâni, hame-âmuzi

Fr.: éducation grand public   

The act of extending research activities beyond its current or conventional limits to a wide section of the population for educational purposes.

out; reach, M.E. rechen, O.E. ræcan "to extend, hold forth;" cf. O.Fris. reka, M.Du. reiken; cognate with Pers. râst, → right.

Borun-rasâni, from borun, → out, + rasâni verbal noun of rasândan "to carry, guide, send," transitive of rasidan "to reach, arrive," → access.
Hame-âmuzi, literally "teaching every body," from hamé, → all; âmuzi, from âmuxtan "to teach; learn," → teach.

outsource
  برون-خنیدن   
borun-xanidan

Fr.: externaliser   

To obtain under contract with an outside supplier.

out; → source.

outsourcing
  برون-خنش   
borun-xaneš

Fr.: externalisation   

The transferring of certain business functions from internal staff to outside contractors.

Verbal noun from → outsource.

oval
  خاگی   
xâgi (#)

Fr.: ovale   

Having the general form, shape, or outline of an egg; ellipsoidal or elliptical.

From M.L. ovalis "egg-shaped," from L. ovum "egg," cognate with Pers. xâg, as below.

Xâgi "egg-shaped," literally "pertaining to an egg," from xâg "egg," Lori, Laki , Pash. "egg," Ossetic ajk "egg," Khotanese āhaa- "egg;" variant xâyé "egg; testicle;" Mid.Pers. xâyak "egg;" Av. aēm/aiam "egg;" cf. Gk. oion, L. ovum, as above; Goth. ada; O.E. æg; Ger. Ei; PIE *owyo-/*oyyo- "egg."

over-
  بیش-، ا َبَر   
biš-, abar-

Fr.: trop, très, en plus; par-dessus, partout   

A prefixal use of over with the sense of "over the limit," "to excess," "too much" to form verbs, adjectives, adverbs, and nouns, e.g. → overabundance; → overdense; → overestimate.

O.E. ofer, from P.Gmc. *uberi (cf. O.S. obar, O.Fris. over, O.H.G. ubar, Ger. über, Goth. ufar "over, above"), from PIE *uper; cf. Gk. hyper, preposition and adverb, "over, beyond, overmuch, above;" cognate with L. super- and Pers. abar-, as below.

Biš- "much, more; in excess; great" (from Mid.Pers. veš "more, longer; more frequently," related to vas "many, much" (Mod.Pers. bas); O.Pers. vasiy "at will, greatly, utterly;" Av. varəmi "I wish," vasô, vasə "at one's pleasure or will," from vas- "to will, desire, wish").
Abar, variant bar "on, upon, up;" Mid.Pers. abar; O.Pers. upariy "above; over, upon, according to;" Av. upairi "above, over," upairi.zəma- "located above the earth;" cf. Gk. hyper- "over, above;" L. super-; O.H.G. ubir "over;" PIE base *uper "over").

over-expose
  بیش‌نوردادن   
bišnurdâdan

Fr.: surexposer   

To expose a detector to too much photons, resulting in saturation.

over-; → expose.

over-exposure
  بیش‌نورداد   
bišnurdâd

Fr.: surexposition   

Excessive exposure of a detector, → over-expose.

over-; → exposure.

overabundance
  بیش‌فراوانی   
biš-farâvâni

Fr.: surabondance   

The abundance of a chemical element exceeding a reference value, in particular compared to that of the Sun.

over-; → abundance.

overdamping
  بیش‌میرایی   
bišmirâyi

Fr.: sur-amortissement   

The condition of a system in which the damping is so large that the system comes to a position of rest without oscillating.

over-; → damping.

overdense matter
  ماده‌یِ بیش‌چگال   
mâdde-ye biš-cagâl

Fr.: matière surdense   

Matter whose density exceeds a reference level.

over-; → dense; → matter.

overestimate
  ۱) بیش‌بر‌آوردن؛ ۲) بیش‌بر‌آورد   
biš-barâvardan; 2) biš-barâvard

Fr.: 1) surestimer; 2) surestimation   

1) To estimate at too high a value, amount, rate, or the like.
2) An estimate that is too high.

over-; → estimate.

overflow
  سرریز   
sarriz (#)

Fr.: débordement   

In computers, the condition arising when the result of an arithmetic operation exceeds the capacity of the number representation.

over-; → flow.

Sarriz, from sar, → head, + riz present stem of rixtan "to flow, to pour" (Mid.Pers. rēxtan and rēcitan "to flow;" Av. raēk- "to leave, set free; to yield, transfer," infinitive *ricyā; Mod.Pers; rig in morderig "heritage" (literally, "left by the dead"); cf. Skt. rinakti "he leaves," riti- "stream; motion, course;" L. rivus "stream, brook;" Old Church Slavic rēka "river;" Rus. reka "river;" Goth. rinnan "run, flow," rinno "brook;" O.E. ridh "stream").

overhead time
  زمانِ بالاسر   
zamân-e bâlâsar

Fr.:   

The part of observing time at a telescope which is not directly used for science, such as the time spent for detector read-out, changing instruments, focusing, etc.

over-; → head; → time.

Bâlâ "up, above, high, elevated, height" (variants boland "high, tall, elevated, sublime," borz "height, magnitude" (it occurs also in the name of the mountain chain Alborz), Laki dialect berg "hill, mountain;" Mid.Pers. buland "high;" O.Pers. baršan- "height;" Av. barəz- "high, mount," barezan- "height;" cf. Skt. bhrant- "high;" L. fortis "strong" (Fr. and E. force); O.E. burg, burh "castle, fortified place," from P.Gmc. *burgs "fortress;" Ger. Burg "castle," Goth. baurgs "city," E. burg, borough, Fr. bourgeois, bourgeoisie, faubourg; PIE base *bhergh- "high") + sar, → head.

overlap
  ۱) برهم‌نهادن؛ ۲) برهم نشستن؛ ۳) برهم‌نهاد؛ برهم‌نشست   
1) barham nehâdan; 2) barham nešastan; 3) barham nehâd; barham nešast

Fr.: empiéter, chevaucher   

1) (v.tr.) To lap over something else; extend over and cover a part of.
2) (v.intr.) To lap over.
3a) Math.: Of sets, to have one or more elements in common.
3b) Chemistry: The interaction of orbitals on different atoms in the same region of space.
3c) Meteo.: The area common to two successive satellite images or scan swaths along the same or adjacent flight or orbital strips. The amount of overlap is expressed as a percentage of image area or scanned area.

over- + lap, verb from noun lap, from O.E. læppa "skirt or flap of a garment," from P.Gmc. *lapp- (cf. M.Du. lappe, O.H.G. lappa, Ger. Lappen "rag, shred").

1) Barham nehâdan, from barham "one over the other" (for etymology of bar-, → on-; for etymology of ham-, → com-) + nehâdan "to place, put; to set" (Mid.Pers. nihâtan; Av. ni- "down; below; into," → ni-, + dā- "to put; to establish; to give," dadāiti "he gives;" cf. Skt. dadāti "he gives;" Gk. didomi "I give;" L. do "I give;" PIE base *do- "to give").
2) Barham nešastan, from barham, as above, + nešastan "to sit;" Mid.Pers. nišastan "to sit;" O.Pers. nišādayam [1 sg.impf.caus.act.] "to sit down, to establish," hadiš- "abode;" Av. nišasiiā [1 sg.subj.acr.] "I shall sit down," from nihad- "to sit down," from ni-, as above, + had- "to sit;" PIE base *sed- "to sit;" cf. Skt. sad- "to sit," sidati "sits;" Gk. hezomai "to sit," hedra "seat, chair;" L. sedere "to sit;" O.Ir. suide "seat, sitting;" Welsh sedd "seat;" Lith. sedmi "to sit;" Rus. sad "garden;" Goth. sitan, Ger. sitzen; E. sit.
3) → overlapping.

overlapping
  برهم‌نهاد؛ برهم‌نشست   
barham nahâd; barham nešast

Fr.: empiètement, chevauchement   

An act or instance related to → overlap.

Verbal noun of → overlap.

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