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: 13176 Search : far
synergy
  هم‌کاروژی   
hamkâruži

Fr.: synergie   

The working together or simultaneous action of separate elements or agencies when the result is greater than the sum of the individual effects or capabilities.

From Mod.L. synergia, from Gk. synergia "joint work, help," from synergos "working together," related to synergein "to work together, help another," from → syn- "together" + → ergon, → work, → erg.

Hamkâruži, from ham- "together," → syn-, + kâruž, → energy, + -i noun suffix.

synestia
  سی‌نستیا   
sinestiyâ

Fr.: synestia   

A hypothesized rapidly spinning doughnut-shaped mass of vaporized and molten rock formed from the collision of two planet-sized objects. In numerical simulations studying giant impacts of rotating objects, a synestia can form if the total → angular momentum is greater than the → co-rotational limit. Beyond the co-rotational limit, the velocity at the equator of a body would exceed the orbital velocity (Simon J. Lock nd Sarah T. Stewart, 2017, arXiv:1705.07858v1).

From → syn- "connected; together" + Hestia the goddess of architecture.

synodic
  هماگمی   
hamâgami

Fr.: synodique   

Of or pertaining to the → conjunction of two or more heavenly bodies, especially the interval between two successive conjunctions of a planet or the Moon with the Sun.

From L.L. synodicus, from Gk. synodikos, from synodos "assembly, meeting," from → syn- "together" + hodos "a going, a way."

Hamâgam, literally "coming together," from ham-, → syn- "together," + -â- epenthetic vowel + gam from O.Pers. gam- "to come; to go," Av. gam- "to come; to go," jamaiti "goes," Mod.Pers. âmadan "to come," gâm "step, pace;" cf. Skt. gamati "goes;" Gk. bainein "to go, walk, step;" L. venire "to come;" Tocharian A käm- "to come;" O.H.G. queman "to come;" E. come; PIE stem *gwem- "to go, come."

synodic month
  ماه ِ هماگمی   
mâh-e hamâgami

Fr.: mois synodique   

The interval of 29.530 588 days (29d 12h 44m 2.80s), on average, between two successive → new Moons. Same as → lunation.

synodic; → month.

synodic period
  دوره‌ی ِ هماگمی   
dowre-ye hamâgami

Fr.: période synodique   

For planets, the mean interval of time between two successive → conjunctions with or → oppositions to the Sun. For example, → Mars has a synodic period of 779.9 days from Earth; thus Mars' oppositions occur once roughly 2.135 years. In comparison, the synodic period of → Venus is 583.9 days. If the sideral periods of the two bodies around the third are denoted T1 and T2, their synodic period is given by: 1/Tsyn = |1/T1 - 1/T2|.

synodic; → period.

synonym
  همچم   
hamcem

Fr.: synonyme   

Grammar: A word having the same or nearly the same meaning as another in the language. Opposite of → antonym.

From L. synonymum, from Gk. synonymon "word having the same sense as another," from synonymos "having the same name as, synonymous," from → syn- "together, same" + onyma, → name.

Hamcem, from ham-, → syn-, + cem, → meaning.

synopsis
  هنوین   
hanvin

Fr.: synopsis, résumé, précis   

A brief and condensed summary giving the major points and a general view of a topic.

L.L. synopsis "a synopsis," from Gk. synopsis "general view," from a stem of synoran "to see altogether, all at once," from → syn- "together" + horan "to see, view."

Hanvin, from han- variant of ham-, → syn- + vin variant bin present stem of didan "to see," → phenomenon.

synoptic
  هنوینی   
hanvini

Fr.: synoptique   

In general, pertaining to or affording an overall view.

M.L. synopticus, from Gk. synoptikos, from synop-, → synopsis, + -tikos.

synoptic map
  نقشه‌ی ِ هنوینی   
naqše-ye hanvini

Fr.: carte synoptique   

1) Sun: A map that displays positions of certain events (e.g., → sunspots, → faculae, → filaments, etc.) observed during one solar rotation.
2) Meteorology: The use of data obtained simultaneously over a wide area for the purpose of presenting a comprehensive and nearly instantaneous picture of the state of the atmosphere.

synoptic; → map.

syntactics
  امراژیک   
amrâžik

Fr.: syntactique   

The study of the grammatical relationships among signs, independently of their meaning (→ semantics. See also → syntax.

syntax; → -ics.

syntax
  امراژ   
amrâž

Fr.: syntaxe   

1) Linguistics: The branch of → semiotics dealing with the ways in which words are arranged to show connections within the sentence.
2) Logic: The study of how signs are combined to form constituents regardless of any interpretation or meaning given to them.
3) Informatics: The general set of rules and structural patterns governing the order of words and symbols for issuing commands and writing codes in a programming language.

From Fr. syntaxe, from L.L. syntaxis, from Gk. syntaxis "a putting together or in order, arrangement," from syntassein "to put in order," from → syn- "together" + tassein "to arrange;" PIE base *tāg- "to put in order."

Amrâž, from am-, variant of ham-, → syn-, + râž from Av. rāz- "to direct, put in line, set," rasman- "the lines or files of the army," razan "rule, order;" cf. raj, raž, rak, râk, rezg (Lori), radé, râdé "line, rule, row," rasté, râsté "row, a market with regular ranges of shops;" ris, risé "straight," râst "right, true; just, upright, straight," → system.

synthesis
  هندایش   
handâyeš

Fr.: synthèse   

The combining of the constituent elements of separate materials or abstract entities into a single or unified entity; opposite of → analysis. → aperture synthesis; → nucleosynthesis.
Chemistry: The forming or building of a more complex substance or compound from elements or simpler compounds.
Philo.: The combination or reconciliation of opposed notions.

From L. synthesis "collection, set," from Gk. synthesis "composition," from syntithenai "put together, combine," from → syn- "together" + tithenai "to put, place," from PIE base *dhe- "to put, to do," cf. Pers. dâdan "to give," as below.

Handâyeš, from han-, variant ham- "together," → syn- + O.Pers./Av. dā- "to give, grant, put," dadāiti "he gives;" Mid.Pers./Mod.Pers. dâdan "to give, put" (cf. Skt. dadáti "he gives;" Gk. tithenai "to place, put, set," didomi "I give;" L. dare "to give, offer;" Rus. delat' "to do;" O.H.G. tuon, Ger. tun, O.E. don "to do;" PIE base *dhe- "to put, to do") + -y- epenthetic vowel + -eš verbal noun suffix, → synthesize.

synthesize
  هنداییدن   
handâyidan

Fr.: synthétiser   

To form a material or abstract entity by combining parts or elements; opposite of → analysis.
Chemistry: To combine (constituent elements) into a single or unified entity.

From → synthesis + → -ize.

Handâyidan, verbal form of handâyeš, → synthesis.

synthesizer
  هنداگر   
handâgar

Fr.: synthétiseur   

A person or thing that synthesizes.

Agent noun from → synthesize.

synthetic
  هندایی، هندایشی   
handâyi, handâyeši

Fr.: synthétique   

1) Of, pertaining to, proceeding by, or involving synthesis; opposed to analytic.
2) Noting or pertaining to compounds formed through a chemical process by human agency, as opposed to those of natural origin.

Adj. from synthesize.

synthetic division
  بخش ِ هندایشی   
baxš-e handâyeši

Fr.: division synthétique   

A method of dividing a polynomial in the special case of dividing by a linear factor. Synthetic division allows one to do long division problems much quicker. It is related to the → Ruffini-Horner method.

synthetic; → division.

synthetic language
  زبان ِ هندایشی   
zabân-e handâyeši

Fr.: langue synthétique   

A language in which the phrase meaning is determined by case endings of individual words and not by the relation between the words. Old English was a highly synthetic language. Compare with → analytic language.

synthetic; → language.

Syrtis Major
  سیرتیس مایور   
Sirtis Mâyor

Fr.: Syrtis Major   

A dark triangular plateau near the Martian equator, located in the boundary between the northern lowlands and southern highlands of Mars. Syrtis Major is centered near at 8.4°N 69.5°E, extends some 1,500 km north from the planet's equator, and spans 1,000 from west to east.

From the classical Roman name Syrtis maior "the Gulf of Sidra" on the coast of Cyrenaica (today Libya)

system
  راژمان   
râžmân

Fr.: système   

1a) An assemblage or combination of things or parts forming a complex or unitary whole.
1b) An ordered and comprehensive assemblage of facts, principles, doctrines, or the like in a particular field of knowledge or thought (Dictionary.com).
2) Physics: An aggregate composed of physical bodies which we isolate, in our mind, from the region external to it in order to analyze physical situations. Everything outside the system which has a direct bearing on its behavior is called the → environment.
3) Astro.: An entity composed of a number of astronomical objects associated and acting together according to certain natural laws.
4) Computers: A system consisting of components (a combination of the hardware, software, and firmware) which are connected together in order to accomplish a specific function or set of functions.

From L.L. systema "an arrangement, a whole consisting of several parts," from Gk. systema "arrangement, organized whole," from sy-, variant of syn- "together" + ste- variant stem of histanai "to cause to stand" (from PIE base *sta- "to stand;" cf. Pers. ist, istâdan "to stand;" Mid.Pers. êstâtan; O.Pers./Av. sta- "to stand, stand still; set;" Av. hištaiti; cf. Skt. sthâ- "to stand;" Gk. histemi "put, place, weigh," stasis "a standing still;" L. stare "to stand;" Lith. statau "place;" Goth. standan; PIE base *sta- "to stand") + -ma nominal suffix denoting result of action.

Râžmân, from raž, from Av. rāz- "to direct, put in line, set," rasman- "the lines or files of the army," razan "rule, order" (variants raj, râž, rak, râk, rezg (Lori), radé, râdé "line, rule, row," rasté, râsté "row, a market with regular ranges of shops;" ris, risé "straight"), related to râst "right, true; just, upright, straight;" Mid.Pers. râst "true, straight, direct," rây-, râyênitan "to arrange;" Sogdian rəšt "right;" O.Pers. rāsta- "straight, true," rās- "to be right, straight, true;" cf. Skt. raj- "to direct, stretch," rjuyant- "walking straight;" Gk. orektos "stretched out;" L. regere "to lead straight, guide, rule," p.p. rectus "right, straight;" PIE base *reg- "move in a straight line," hence, "to direct, rule;" + -mân verbal noun suffix used with present and past stems, as in zâymân, câymân, sâxtemân, goftemân.

system manager
  گنارگر ِ راژمان   
gonârgar-e râžmân

Fr.: administrateur de système   

A person in charge of the configuration and administration of a multi-user computer system inside a network.

system; → manager.


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