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: 1287
system noise
  نوفه‌ی ِ راژمان   
nufe-ye râžmân

Fr.: bruit de système   

The noise in a radio telescope, composed of the receiver noise and the sky noise.

system; → noise.

systematic
  راژمان‌مند   
râžmânmand

Fr.: systématique   

Having, showing, or involving a system, method, or plan.

L.L., from Gk. systematikos; → system; → -ic.

Râžmânvâr, râžmânmand, from râžmân, → system, + -mand suffix of possession.

systematic error
  ایرنگ ِ راژمان‌مند   
irang-e râžmânmand

Fr.: erreur systématique   

The error that is constant in a series of repetitions of the same experiment or observation. Usually, systematic error is defined as the expected value of the overall error. opposite of → random error.

systematic; → error.

systematics
  راژمان‌مندیک   
râžmânmandik

Fr.: systématique, taxinomie   

Biology: The science that deals with the systematic naming and classification of all kinds of organisms.

From → systematic + → -ics.

systemic
  راژمانی   
râžmâni

Fr.: systémique   

Relating to or affecting a system as a whole.

system; → -ic.

systems theory
  نگره‌ی ِ راژمان   
negare-ye râžmân

Fr.: théorie des systèmes   

An interdisciplinary field of science which deals with the nature of complex systems in nature, society, and science, and studies complex parts of reality as systems.

system; → theory.

syzygy
  یوجان   
yujân

Fr.: syzygie   

The alignment of three or more celestial bodies in the same gravitational system along a nearly straight line.
Conjunction or opposition of a heavenly body with the Sun.

From L.L. syzygia, from Gk. syzygia "yoke, pair, union of two, conjunction," from syzygein "to yoke together," from → syn- "together" + zygon "yoke," cognate with Pers. yuq, jug "yoke," as below.

Yujân from yuj "yoke," variants yuq, juh (Mid.Pers. jug, ayoxtan "to join, yoke;" Av. yaog- "to yoke, put to; to join, unite;" cf. Skt. yugam "yoke;" Hittite yugan "yoke;" Gk. zygon "yoke," as above, zeugnyanai "to join, unite;" L. jungere "to join," O.C.S. igo, O.Welsh iou, Lith. jungas O.E. geoc. PIE base *yeug- "to join") + -ân suffix of place and time.

<< < -sc Sag sam sat sca sca Sch sco sec sec sec sei sel sem sep sex Sha she sho sid sig sim sin Sir sky slo sno sof sol sol sol sol sou sou spa spe spe spe sph spi spi spr sta sta sta sta ste ste ste sto Str str stu sub sub suc sun sup sup sup sup sur syl syn sys > >>