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 : in
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.

<< < -es -it -sc 201 951 abe abs abs aca acc acc aco act ada adh ado aer aft air Alf alg alk alp Alt alt amb ana And ang ani ann ant ant ant apo app app Apu arc arg Arn art ass ast ast ast atm ato att aur aut avo azi bac bal bar bar bat Bea Bel bet bia big bin bio Bir bla bla blo Blu bol Boo bou box bre Bri bro bur cal cal Can cap car Car cat cau cel cen cen cha Cha cha che Chi chr cir cir civ cla clo clo CMB coa coe coh col col col com com com com com com com com Com con con con con con con con con con con con con coo cor cor cor Cos cos cos cou cou cra cri cro cry cul cur cyc D l dar dat day dea dec dec dec def def deg Del Den dep der det deu dew dic dif dif dil dip dir dis dis dis dis dis diu dog Dop dou Dra Dsc dus dwa dyn Dys Ear ecc eco edg egg Ein Ela ele ele ele ele ell eme emp enc eng ent epi equ equ equ eru eth Eur eve exa exc exe exi exo exp ext ext ext fab fai Fan fea fem fer fie fil fir fir fla fli flu foc for for for fra fre fre fri fun fuz gal gal gal Gam gau Gau gen geo geo geo geo Gib glo gov gra gra gra gra gre gro Gui H-a hal Ham har Hay hea hei hel Hel her het hie hig hoa hom hor hot Hub Hug hur hyd hyd hyl hyp ice ide ima ima imp imp inc inc ind ine inf inf inf ing inn ins ins int int int int int int int int inv inv ion iro Isl iso iso Jab jet Jov Jup Kar Kep kil Kip Kra Lag Lam Lan Lar las law lea Leg Leo lev lig lim lin lin lin lit loc loc log Lor low lum lun lun Lym Mac mag mag mag mag mag mai Mal map mas mas mat Mau mea mea med Men mer Mes Met met mic mic Mie mil min Mir mix mod mol mom Moo mor mov mul mur n-b nan nat nea neg Ner neu new New NGC noc nom non non nor nor nuc nuc nul nut obj obl obs occ oct off old one ope opp opt opt orb ord org Ori osc oth ove Owl P-s Pal par par par par Pas pat pec pen per per per per per Pha pha pho pho pho phy pie pix Pla pla pla pla Pli Poi pol pol pol pol por pos pos pow pre pre pre pre pri pri pri pro pro pro pro pro pro pro pub pul pyc qua qua qua qua qui rad rad rad rad rad rad rai ran rar Ray rea Rea rec rec red red ref ref reg rel rel rel ren res res res res ret rev Ric rig rin roc roo rot rot rur S5- Sal sat sca sca Sch sci Scu sec sec sed sel sel sem seq set sha she sho sid sie sil sim sin sit sky slo sno sod sol sol sol sol son sou spa spa spe spe spe spe sph spi spo squ sta sta sta sta ste ste ste Sti sto str str sub sub sub sul sup sup sup sup sur sur syl syn sys tal Tay tel ten ter tex the the the the Tho thr tid tim Tit too Tor tra tra Tra tra Tra tri Tri tru tub tur two Typ ult ult unc uni uni uni upl ura uti val var vec vel ver Ver vie vir vis vis vol W-R war wav wav wea Wei wha wid win WN3 Wol wri xen yok zen zij > >>