An Etymological Dictionary of Astronomy and Astrophysics

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory



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Number of Results: 1345
  ۱) برگاسیدن؛ ۲) برگاسار   
1) bargâsidan; 2) bargâsâr

Fr.: 1) soupçonner; 2) suspect   

1) To believe to be guilty, false, counterfeit, undesirable, defective, bad, etc., with little or no proof.
2) A person who is suspected, especially one suspected of a crime, offense, or the like (

M.E., from M.Fr. suspecter, from O.Fr. suspect, from L. suspectus "suspected, regarded with suspicion or mistrust," p.p. of suspicere "look up at, look upward," from assimilated form of → sub- + specere, "to look at," → -scope.

Bargâsidan, from bar- "on; up; upon; in; into; at; forth; with," → on-, + gâsidan "to look at," → speculate; bargâsâr, from bargâs + -âr, contraction of âvar agent noun of âvardan "to bring; to cause, produce," → format.


Fr.: soupçonné   

Believed likely.

Past participle of → suspect.


Fr.: suspicion   

1) The state of mind or feeling of one who suspects.
2) An instance of suspecting something or someone (

M.E., from suspecioun, from O.Fr. suspicion, sospeçon "mistrust, suspicion," from L.L. suspectionem "mistrust, suspicion, fear," noun of state from past participle stem of L. suspicere "to look up at," → suspect.

Verbal noun from bargâsidan, → suspect.


Fr.: suspicieux   

1) Tending to cause or excite suspicion; questionable.
2) Inclined to suspect, especially inclined to suspect evil; distrustful.
3) Full of or feeling suspicion (

M.E., from O.Fr. sospecious, from L. suspiciosus, suspitiosus "exciting suspicion, causing mistrust," from stem of suspicere, → suspect.

Bargâsnâk, from bargâs present stem of pargâsidan, → suspect, + -nâk adj. suffix.


Fr.: soutenir, maintenir, prolonger   

To cause or allow something to continue for a long period of time.

M.E. suste(i)nen, from O.Fr. sustenir "hold up, endure," from L. sustinere "hold up, support, endure," from → sub- "up from below" + tenere "to hold," from from PIE root *ten- "to stretch," → tension.

Padârdan, from Sogd. padâr "to sustain, support," from Proto-Ir. *pati-dar-, from *pati- "to, toward, in, at, agianst," → ad hoc, + dâr "to hold, keep, maintain," → property, + -dan infinitive suffix.

  پداردنی، پدارش‌پذیری   
padârdani, padârešpaziri

Fr.: durabilité   

An ecological concept, the property or condition of being → sustainable.

Quality, state noun from → sustainable.


Fr.: durable   

Ecology: Maintaining ecological balance; exploiting natural resources without destroying the ecological balance of an area, e.g. → sustainable agriculture; → sustainable development.

sustain; → -able.

sustainable agriculture
  کشاورزی ِ پداردنی   
kešâvarzi-ye padârdani

Fr.: agriculture durable   

The ability of a farm to produce food indefinitely, without causing severe or irreversible damage to → ecosystem health.

sustainable; → agriculture.

sustainable development
  گوالش ِ پداردنی   
govâleš-e padârdani

Fr.: développement durable   

Ecology: A development that meets the needs of the present without compromising the ability of future generations to meet their own needs.

sustainable; → development.

qu (#)

Fr.: cygne   

A large, usually white bird with a long neck that lives on rivers and lakes (family Anatidae, especially genus Cygnus).

M.E., from O.E. swan; cf. O.S. swan, O.N. svanr, M.Du. swane, Du. zwaan, O.H.G. swan, Ger. Schwan, probably literally "the singing bird," from PIE base *swon-/*swen- "to sing, make sound."

Qu "swan," maybe an onomatopoetic word from the sound of swan's call; cf. Russ. ky-ky "cry of a swan."

Swan band
  باند ِ سوان   
bând-e Swan

Fr.: bande de Swan   

One of the three prominent bands in the spectra of comets and carbon stars caused by diatomic carbon (C2).

Named after the Scottish physicist William Swan (1818-1894) who first studied the spectral analysis of radical carbon C2 in 1856; → band.

Swan Nebula
  میغ ِ قو   
miq-e qu

Fr.: nébuleuse du Cygne   

Same as → Omega Nebula.

swan; → nebula.


Fr.: essaim   

A great number of things especially in motion. → meteorite swarm.

ME; OE swearm; cf. O.S., M.L.G. swarm, Swed. svärm, M.Du. swerm, O.H.G. swarm, Ger. Schwarm "swarm;" O.N. svarmr "tumult."

Qang in Lârestâni "swarm of bees, flies, or the like," Lori qem (qem zaye) "swarm of bees, ants, and the like."

sweep-up radius
  شعاع ِ روبش   
šo'â'-e rubeš

Fr.: rayon de balayage   

The → radius of a → supernova remnant (SNR) when, at the end of the → free expansion phase, the mass of the swept-up → shell equals that of the ejected gas from the → supernova explosion. It is given by RSW = (3Me / 4πρ0)(1/3), where Me is the ejected mass and ρ0 is the initial density of the → interstellar medium.

Sweep, from M.E. swepen, from O.E. swapan "to sweep;" cognate with Ger. schweifen; → up; → radius.

Šo'â', → radius; rubeš, noun from ruftan, rubidan "to sweep," → scan.

  ۱) دگربان؛ ۲) دگربانیدن   
1) degarbân; 2) degarbânidan

Fr.: 1) interrupteur; 2) interrompre   

1a) A shift from one to another.
1b) A device used to break or open an electric circuit or to divert current from one conductor to another.
2) To shift or exchange; To connect, disconnect, or redirect.

Switch "slender riding whip, flexible stick," probably from a Flemish or Low German word akin to Hanoverian swutsche, a variant of Low Ger. zwukse "long thin stick, switch."

Degarbân, from degar "other, another" (Mid.Pers. dit, ditikar "the other, the second;" O.Pers. duvitiya- "second," Av. daibitya-, bitya- "second;" Skt. dvitiya- "second," PIE *duitiio- "second") + -bân a suffix denoting "keeper, guard," sometimes forming agent nouns or indicating relation, → host.


Fr.: interrompre   

The act of changing one thing or position for another.

Verbal noun of → switch (v.).

šamšir (#)

Fr.: épée   

1) A weapon having various forms but consisting typically of a long, straight or slightly curved blade, sharp-edged on one or both sides, with one end pointed and the other fixed in a hilt or handle (
2) → Orion's Sword.

M.E.; O.E. sweord; cognate with Du. zwaard, Ger. Schwert, Sw. svärd.

Šamšir, Mid.Pers. šamšêr / šamšyl, Parthian safsêr; cf. Gk. sampsera denoting a "foreign sword." The E. scimitar derives ultimately from šamšir through M.Fr. cimeterre or directly from It. scimitarra, possibly from an unknown Ottoman Turkish word, borrowed from Pers.

bâhamšomâri (#)

Fr.: syllogisme   

A kind of → deductive reasoning whereby from two initial → propositions (two → premises) a third related proposition (→ conclusion) is derived. The typical form of a → categorical syllogism is "A is B;" "C is A;" "Therefore, C is B." For example, "All humans are mortal." "John is human." "Therefore, John is mortal." "Mortal" (B) is called the → major term; it occurs in the first premise and is the → predicate of the conclusion. "John" (C), the subject of the conclusion, is called the → minor term. "Human," which is common to both premises and is excluded from the conclusion, is called the → middle term. See also → Aristotelian forms. Syllogism is purely formal. It does not enrich knowledge, but gives a new presentation to what is already known. It is also possible to have a logically valid syllogism based on → absurd premises. For example, "All cats are mammals." "All cats are animals." "Therefore, all animals are mammals." Syllogism, representing the earliest branch of → formal logic, was developed in its original form by Aristotle in his Organon (Prior Analytics) about 350 BC.
See also: → bivalent logic, → polyvalent logic, → symbolic logic, → propositional logic, → first-order logic, → predicate logic, → syllogistic; → fuzzy logic.

M.E. silogisme, from O.Fr. silogisme, from L. syllogismus, from Gk. syllogismos "a syllogism," originally "inference, conclusion; computation, calculation," from syllogizesthai "bring together before the mind, compute, conclude," from assimilated form of → syn- "together" + logizesthai "to reason, to count," from logos "a reckoning, reason," → logic.

Bâhamšomârik, literally "reckoning together," from bâham "together," from "with," → hypo-, + ham, → syn-, + šomâr present stem of šomârdan "to reckon, calculate, enumerate, account for," → count, + suffix -i.

bâhamšomârik (#)

Fr.: syllogistique   

1a) Of or pertaining to a → syllogism.
1b) Like or consisting of syllogisms.
2a) The part of logic that deals with syllogisms.
2b) Syllogistic reasoning (

syllogism; → -ic.


Fr.: symbiotique   

Of or pertaining yo symbiosis in biology, denoting a close, prolonged association between two or more different organisms of different species that may be, but does not necessarily, of mutual benefit. → symbiotic star.

From Mod.L., from Gk. symbiosis "a living together," from symbioun "live together," from symbios "(one) living together (with another), partner," from → syn- "together" + bios "life," → bio-.

Hamzi "living together," from ham- "together," → syn-, + zi- present stem of zistan "to live," → bio-.

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