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: 12948 Search : far
text
  بافه   
bâfé

Fr.: texte   

1) The main body of matter in a manuscript, book, newspaper, etc., as distinguished from notes, appendixes, headings, illustrations, etc.
2) The actual wording of anything written or printed.
3) Any of the various forms in which a writing exists (Dictionary.com).

M.E., from L. textus "text, terms, structure," originally, "pattern of weaving," → texture, from texere "to weave."

Bâfé, from bâftan "to weave," → texture.

texture
  بافت   
bâft (#)

Fr.: texture   

A type of hypothetical → topological defect in the structure of → space-time that forms when large, complicated symmetry groups are completely broken.

M.E., from M.Fr., from L. textura "web, texture, structure," from stem of textere "to weave;" PIE base *tek- "to make" → technique.

Bâft, verbal noun, past stem of bâftan "to weave;" Mid.Pers. waf- "to weave;" Av. ubdaēna- "consisting of woven texture," from *ubda- "woven," p.p. from vaf- "to weave; to sing," literally "to weave the songs;" cf. Skt. vabh- "to bind, fetter," ubhnāti "he laces together;" Gk. hyphainein "to weave," hyphos "web;" P.Gmc. *webanan (cf. O.N. vefa, M.L.G., M.Du., Du. weven, O.H.G. weban, Ger. weben; O.E. wefan; E. weave), from PIE *webh-/*wobh- "to weave."

Thalassa
  تلسا   
Talasâ (#)

Fr.: Thalassa   

The second innermost satellite of → Neptune. It was discovered using NASA's Voyager 2 mission in 1989. It orbits 50,070 km from the center of Neptune and is about 80 km in diameter.

Named after a daughter of Aether and Hemera from Gk. mythology. Thalassa is also the Greek word for "sea".

Thebe
  تبه   
Tebé (#)

Fr.: Thébé   

The fourth-closest of → Jupiter's known → satellites, also known as Jupiter XIV. Thebe is 100 x 90 km in diameter and orbits its planet at 222,000 km in 0.6745 (Earth) day. It is in synchronous rotation, i.e. always keeps the same side facing Jupiter. Thebe was discovered by Stephen Synnott (Voyager 1) in 1979.

In Gk. mythology, Thebe was a nymph, daughter of the river god Asopus.

Theia
  ته‌یا   
Teyâ

Fr.: Théia   

A hypothetical → protoplanet that collided with → earth some 4.5 billion years ago. Debris from the collision, a mixture of material from both bodies, spun out into Earth orbit and → coalesced into the → Moon. This scenario explains many aspects of → lunar geology including the size of the Moon's → core and the → density and → isotopic  → composition of Moon rocks.

Named for Theia, the mythical Greek Titan who was the mother of Selene, the goddess of the Moon.

theism
  یزدان‌باوری   
yazdân-bâvari (#)

Fr.: théisme   

The belief in one God as the creator and ruler of the universe, without rejection of revelation (distinguished from → deism).
2) Belief in the existence of a god or gods (opposed to → atheism) (Dictionary.com).

From the- variant of theo- before a vowel, from Gk. theos "god," from PIE root *dhes-, root of words applied to various religious concepts, such as L. feriae "holidays," festus "festive," fanum "temple."

Yzadân-bâvari, from yazdân "god," from Mid.Pers. yazetân "gods," ultimately from Proto-Ir. *iaz- "to sacrifice, worship, venerate," → deity.

theist
  یزدان‌باور   
yazdân-bâvar (#)

Fr.: théiste   

A person who believes in → theism.

theism; → -ist

Themisto
  تمیستو   
Themisto

Fr.: Thémisto   

A small satellite of → Jupiter, ninth in order from the planet. It is about 8 km in diameter and orbits Jupiter at a mean distance of 7 500 000 km every 130 days. It was discovered in 1975, lost, and then rediscovered in 2000. Also known as Jupiter XVIII.

Named after Themisto, daughter of the river god Inachus, who became the mother of Ister (the river Danube) by Zeus (Jupiter).

theocracy
  یزدان‌سالاری   
yazdân-sâlâri (#)

Fr.: théocratie   

1) A form of government in which → God or a → deity is recognized as the supreme civil ruler, the God's or deity's laws being interpreted by the ecclesiastical authorities.
2) A system of government by priests claiming a divine commission (Dictionary.com)

theism; → -cracy.

theodolite
  تءودولیت   
teodolit (#)

Fr.: théodolite   

An instrument for the measurement of angles, used in surveying. It consists essentially of a telescope moving along a circular scale graduated in degrees.

The first occurrence of the word theodolite is found in the surveying textbook A geometric practice named Pantometria (1571) by Leonard Digges, which was published posthumously by his son, Thomas Digges. The etymology of the word is unknown. The first part of the New Latin theo-delitus might stem from the Gk. theaomai "to behold, view attentively, contemplate," but the second part is more puzzling and is often attributed to an un-scholarly variation of delos "evident, clear."

theologian
  یزدان‌شناس   
yazdân-šenâs (#)

Fr.: théologien   

A person versed in theology, especially Christian theology (Dictionary.com)

theology.

theology
  یزدان‌شناسی   
yazdân-šenâsi (#)

Fr.: théologie   

The field of study and analysis that treats of → God and of God's attributes and relations to the universe; study of divine things or religious truth; divinity (Dictionary.com).

theism; → -logy.

theorem
  فربین   
farbin

Fr.: théorème   

A → proposition, → statement, or → formula in → mathematics or → logic deduced or to be deduced from other propositions, → assumptions, → premises, or formulas; e.g. → Fourier theorem; → Liouville's theorem; → Woltjer's theorem.

From M.Fr. théorème, from L.L. theorema, from Gk. theorema "spectacle, speculation," in Euclid "proposition to be proved," from theorein "to look at, speculate, consider."

Farbin, from far- intensive prefix "much, abundant; elegantly; forward" (Mid.Pers. fra- "forward, before; much; around;" O.Pers. fra- "forward, forth;" Av. frā, fərā-, fra- "forward, forth; excessive;" cf. Skt. prá- "before; forward, in front;" Gk. pro "before, in front of;" L. pro "on behalf of, in place of, before, for;" PIE *pro-) + bin, present stem of didan "to see," from Mid.Pers. wyn-; O.Pers. vain- "to see;" Av. vaēn- "to see;" cf. Skt. veda "I know;" Gk. oida "I know," idein "to see;" L. videre "to see;" PIE base *weid- "to know, to see."

theoretical
  نگریک   
negarik (#)

Fr.: théorique   

Of, pertaining to, or consisting in theory.

From L.L. theoreticus "of or pertaining to theory," from Gk. theoretikos "contemplative, pertaining to theory;" → theory.

Negarik, contraction of negaréik, from negarétheory + -ik, → -ic.

theoretical astrophysics
  اخترفیزیک ِ نگریک   
axtarfizik-e negarik (#)

Fr.: astrophysique théorique   

An astrophysical study or research group mainly concerned with theory rather than observation.

theoretical; → astrophysics.

theoretician
  نگره‌پرداز   
negare-pardâz

Fr.: théoricien   

One who formulates or is expert in the theoretical side of a subject.

From theoretic, from theoretics, from → theory + -ian.

Negare-pardâz, from negaré, → theory, + pardâz, present stem of pardâxtan "to accomplish; bring to perfection; to attempt, to care; to clean; to free;" Mid.Pers. pardâxtan, pardâzidan "to accomplish; to be done with, freed of" ultimately from Proto-Iranian *para-tāxta-, *para-tāca- "to take away; to expel," from *para- "along, forth," → para-, + tāxta-, tāca- "to run, to flow;" cf. Av. tak- "to run, to flow;" Mod.Pers. tâxtan, tâz- "to flow, to cause to walk," → flow.

theorist
  نگره‌پرداز   
negare-pardâz

Fr.: théoricien   

Same as → theoretician.

From theor-, from → theory + -ist a suffix of nouns, often corresponding to verbs ending in -ize or nouns ending in -ism.

theoretician.

theory
  نگره   
negaré (#)

Fr.: théorie   

A coherent set of verified facts, propositions, or principles analyzed in their relation to one another and used to explain and predict phenomena, e.g. the → theory of relativity. The criterion of the scientific status of a theory is its → falsifiability, → refutability, or → testability. See also → hypothesis, → model.

From L.L. theoria, from Gk. theoria "contemplation, speculation, a looking at, things looked at," from theorein "to consider, view, look at," from theoros "spectator," from thea "a view" + horan "to see."

Negaré, from negar present stem of negaridan, negaristan "to look, observe;" Mid.Pers. nigeridan, niger-, nikiritan, nikir- "to look, to watch, to notice, to consider;" ultimately from Proto-Iranian *ni-kar-, from *ni- "down, in, into," → ni- (PIE), + *kar- "to observe, to consider;" cf. Av. kar- "to remember; to impress on memory;" Skt. kal- "to observe, consider," kalayati "considers, observes;" Mid.Pers. kartan "to establish; to declare; to found," (h)angârtan "to consider, to bear in mind, to regard as," us-kâritan "to consider, deliberate, discuss," sikâl, sigâl "thought;" Mod.Pers. engâridan, engâštan "to suppose," segâl "thought," segâlidan "to think, to resolve to injure, to deceive."

theory of everything (TOE)
  نگره‌ی ِ همه چیز   
negare-ye hamé ciz

Fr.: théorie du tout   

Any theory that attempts to describe all the forces of nature including gravity in a single mathematical formalism; e.g. → grand unified theory. → string theory.

theory; every; M.E. every, everich; O.E. æfre ælc "ever each;" → thing.

Negaré, → theory; hamé, → all; ciz, → thing.

theory of relativity
  نگره‌ی ِ بازانیگی   
negare-ye bâzânigi

Fr.: théorie de la relativité   

Any of the two theories put forward by Albert Einstein: → special relativity (1905) and → general relativity (1916).

theory; → relativity;

<< < -es -iv -ti 21- A r abe abs abs acc acc acc act act ada adi adu aff age alc Alf ali all alp alt ama amp ana ang ang ann ano ant ant ape apo app aps arc Arg ari art ass ast ast ast atm ato att aur aut axi B r bac Bal Bar Bar Bay bec Ber Bet Bie bij bin bio bis bla bla blu blu bol Bor bou Bra bre bro Bug C-s cal Cam can car Car Cas cat cav cel cen cer Cha cha cha che cho cir cir cir cla clo clo clu 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 coo cor cor cor cos cos cos Cou cou Cra Cre cri cro cub cur cyc cyl dar dat daw de- Deb dec dec dee def deg del Den dep der det deu dew dic dif dif dil dip dir dis dis dis dis dis div dog Dop dou dra dua dus dwa dyn e-m ear ecl eco eff ein Ein elb ele ele ele ele Els emi emp ene enr env epi equ equ Eri est Euc eva evo exc exc exh exo exp exp ext ext f-n Fah fam fau fee Fer fib fil fin fir fix fle flu foc for for for fra fre fre fri fun fuz gal gal gal Gan gau GCN gen geo geo geo geo Gl glo gra gra gra gra gra gre gro GW1 hab hal han HAR haz hea hel hel Hen Her heu Hig Hil hol hop hor hou Hub Hum Hyd hyd hyd hyp hys ide ign ima imp imp inc inc ind ine inf inf inf inh INP ins ins int int int int Int int int int inv ion iri irr iso iso iso Jea Jos Jun K2 Kep key kin Kol lag lam Lan lar las lav lea leg len lev lig lim lin lin lin lis lob loc log lor low lum lun lun Lym Mac mag mag mag mag mag mai Mal mar mas mas mat max mea mea mee Men mer met met met mic mid Mil min Mir mix mod mod mol mon Mor mou mul muo mys nan nat nav nec Nep neu New New NGC nob nom non non nor not nuc nuc num Nyq obj obs obs oce oen OH omn opa ope opt opt opt orb ord Ori ort osc out ove oxy pal pan par Par par par pas pea Pen per per per per per pet pha pho pho pho phy pie Pit Pla pla pla pla ple Poi pol pol pol pol pop pos pos pow pre pre pre Pre pri pri pri pro pro pro pro pro pro Pro pub pul pyr qua qua qua qua Qui rad rad rad rad rad rad ram ran rat rea rec rec rec red ref ref reg reg rel rel rem rep res res res ret rev rho Rie rim riv rol Ros rot rul S a Sah san Sat sca Sch Sch scr sec sec sec sei sel sem sep set sha she sho sid sig sil sim sin sit sky slu sno sof sol sol sol sol sou sou spa spa spe spe spe sph spi spl spr sta sta sta sta sta ste ste sti sto str str sub sub sub sug sun sup sup sup sup sur syl syn sys tal Tay tel ten ter tex the the the thi tho thu tid tim tod top tot tra tra tra tra tri tri tro tru tur twi Typ UFO ult unc uni uni uni upg ura uti val var vec vel ver ver vig vir vis voc von wak Was wav wax wea wei whi Wie win WN6 wom X-r yel you zer zod > >>