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: 1326
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.

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