An Etymological Dictionary of Astronomy and Astrophysics
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فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

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Number of Results: 13176 Search : in
analogue
  آناگویه؛ آناگو، آناگوییک   
ânâguyé; ânâgu, ânâguyik

Fr.: analogue, analogique   

1) (n.) Something that has → analogy to something else.
2) Chemistry: (n.) A chemical compound whose molecular structure is closely similar to that of another.
3) Relating to or using signals or information represented by a continuous variable physical quantity such as spatial position or voltage. Often contrasted with → digital.

From Fr. analogue, from Gk. analogon, → analogy.

analogue computer
  رایانگر ِ آناگوییک   
râyângar-e ânâguyik

Fr.: ordinateur analogique   

A computer in which data is stored and processed in the form of continually varying signals representing a physical quantity rather than in the form of individual numerical values. The simplest analogue computers are side rules, thermometers, voltmeters, and speedometers.

analogue; → computer.

analogy
  آناگویی   
ânâguyi (#)

Fr.: analogie   

1) A similarity or comparability between two things.
2) Math.: A general similarity between two problems or methods. Analogy is used to infer new theorems from existing ones. Hypotheses based on analogy must still be proved.
3) Logic: A form of reasoning which asserts that if two or more entities are similar in one or more respects, then they would be similar in other respects.
4) Biology: An analogous relationship.
5) Linguistics: The process by which a word or form is either created or changed according to existing patterns in the language.

M.E., from O.Fr. analogie or directly from L. analogia, from Gk. analogia "proportion," from → ana- "upon, according to" + logos "ratio; word, speech, reckoning," → -logy.

analysis
  آنالس، آناکاوی   
ânâlas, ânâkâvi

Fr.: analyse   

1) General: The separation of an intellectual or material whole into its constituent parts for individual study. The study of such constituent parts and their interrelationships in making up a whole (opposite of → synthesis).
2) Chemistry: The separation of a substance into its constituent elements to determine either their nature (qualitative analysis) or their proportions (quantitative analysis).
3) Mathematics: A branch of mathematics principally involving → differential and integral calculus, → sequences, and → series and concerned with → limits and → convergence.

From M.L. analysis, from Gk. analysis "a breaking up," from analyein "unloose," from ana- "up, throughout" + lysis "a loosening," from lyein "to loosen, release, untie". The L. cognate and counterpart of this Gk. word, i.e. luere has formed the words solve, dissolve, solution. The Skt. cognate lu, lunoti "to cut, sever, mow, pluck, tear asunder, destroy," lava "cutting, plucking; what is cut; fragment, piece;" PIE *leu- "to loosen, divide, cut apart". The Eng. lose, loose and Ger. los derive from this root.

Ânâlas, from ânâ-, → ana-, + las "loose" ([Mo'in], Gilaki, Tabari, Tâleši, Aftari). We do not know the Av./O.Pers. counterparts of these Gk. las, lysis, lyein, but we believe that las and the following words probably derive from the above-mentioned PIE *leu-:
"slit, cut" (Tabari),
lâb, lâp, lib "slit, cut, piece, half" (Tabari),
lâpé "a cut piece of wood" [Mo'in],
lâpé kardan "to cut a timber along its length" [Mo'in],
lap "piece, big piece, big cut" [Mo'in]. This word was chosen by Farhangestân I for "lobe of the lung".
lâc "open, wide-open" (Tabari),
luš "torn" [Mo'in], also luš luš [Mo'in] "in pieces,"
lat "torn, piece" [Mo'in]. Compare with luta "cut, cut off" in Pali. Lat may also be a contraction of laxt.
lok "torn, piece" (Qâyeni),
lâš "slit" (Tabari),
lâš kardan "to pick, to pluck" [Mo'in],
latu "plough" (Tabari).
Ânâkâvidan, from ânâ- + kâvidan (kâftan) "to examine, investigate, search; dig," from kâv + infinitive suffix -idan; compare with Mod.Pres. kâvâk "hollow, empty," L. cavus "hollow" (E. derivatives: cavity, concave, cave, excavate), Gk. koilos "hollow."

analytic
  آنالسی   
ânâlasi

Fr.: analytique   

Of or relating to analysis, in contrast with → synthetic. Also analytical.

M.L. analyticus, from Gk. analytikos, from analy-, → analysis, + -tikos, -tic, equivalent to → -ic.

Pertaining to ânâlas, → analysis.

analytic curve
  خم ِ آنالسی   
xam-e ânâlasi

Fr.: courbe analytique   

A curve whose parametric equations are real → analytic functions of a single real variable.

analytic; → curve.

analytic function
  کریای ِ آنالسی   
karyâ-ye ânâlasi

Fr.: fonction analytique   

A function which can be represented by a convergent → power series.

analytic; → function.

analytic geometry
  هندسه‌ی ِ آنالسی   
hendese-ye ânâlasi

Fr.: géométrie analytique   

The study of the geometry of figures by algebraic representation and manipulation of equations describing their positions, configurations, and separations.

analytic; → geometry.

analytic language
  زبان ِ آنالسی   
zabân-e ânâlasi

Fr.: langue analytique   

A language that is characterized largely by the fact that it depends on word order, rather than on inflections (grammatical endings), to convey sentence meanings. In an analytic language relations between nouns and adjectives are expressed using prepositions. English and (to a lesser extent) French, and Persian are considered analytic languages, while German and Russian are → synthetic languages.

analytic; → language.

analytical
  آنالسی   
ânâlasi

Fr.: analytique   

Same as → analytic.

analysis; → -al.

analytical mechanics
  مکانیک ِ آنالسی   
mekânik-e ânâlasi

Fr.: mécanique analytique   

A branch of → mechanics based on → variational principle that describes systems by their → Lagrangian or → Hamiltonian. Analytical mechanics provides a formalism that is different from that of Newton and does not use the concept of force. Among other things, analytical mechanics gives a more simple description of continuous and constrained systems. Moreover, its mathematical structure allows it an easier transition to quantum mechanical topics.

analytical; → mechanics.

analyze
  آنالسیدن، آناکاویدن   
ânâlasidan, ânâkâvidan

Fr.: analyser   

Infinitive of → analysis.

analyzer
  آنالسگر، آناکاوگر   
ânâlasgar, ânâkâvgar

Fr.: analyseur   

An optical device by which the direction of → polarization of a beam of light can be detected. Usually the light has been passed through a → polarizer before arriving at the analyzer.

Agent noun, from → analyze + → -er.

anamorphic
  آناریختی، آناریخت‌مند   
ânârixti, ânârixmand

Fr.: anamorphique   

The quality of an → anamorphic system.

ana- "up," + morphe "form," → morphology + → -ic.

anamorphic system
  راژمان ِ آناریخت، ~ آناریخت‌مند   
râžmân-e ânârixt, ~ ânârixtmand

Fr.: système anamorphique   

An optical system whose optical power, and imaging scale, differs in the two principal directions. See also → anamorphosis.

anamorphic; → system.

anamorphosis
  آناریخت‌مندی   
ânârixtmandi

Fr.: anamorphose   

1) Optics: The formation of a distorted image by an → anamorphic system.
2) Biology: The evolution from one type to another through a gradual and steady process of changes.
3) Art: A distorted image that appears in proportion when it is viewed from a specific point of view or reflected in a curved mirror, or with some other optical device.

From Gk. anamorphosis "transformation," noun of action from anamorphoein "to transform," from → ana- "up," + morphe "form" + -sis a suffix forming abstract nouns of action, process, state, condition, etc.

Ânârixtmandi, from ânâ- "up," + rixt "morphe," → morphology, + mand, → -ist + noun suffix -i.

Ananke [Jupiter XII]
  آننکه   
Ânanké

Fr.: Ananké   

The thirteenth of Jupiter's known satellites discovered by S.B. Nicholson in 1951. It orbits the planet at a mean distance of 21,200,000 km, and has a diameter of about 30 km.

In Gk. mythology, Ananke is the personification of destiny, unalterable necessity and fate; she is also the mother of Adrastea,

anastigmatic lens
  عدسی ِ گراور   
adasi-ye gerâ-var

Fr.: anastigmate   

A lens designed to correct → astigmatism.

astigmatism; → lens.

ancestor
  نیا   
niyâ (#)

Fr.: ancêtre   

One from whom a person is descendant; a forefather.

M.E. ancestre, from O.Fr. ancestre, ancessor "ancestor, forebear, forefather," from L.L. antecessor "predecessor," literally "fore-goer," agent noun from p.p. stem of L. antecedere "to precede," from ante "before" + cedere "to go," → process.

Niyâ, from Mid.Pers. niyâg "forefather, ancestor;" O.Pers. niyāka-, Av. nyāka-

and
  اُ، و   
o, va

Fr.: et   

1) (Conjunction, used to connect grammatically coordinate words, phrases, or clauses) Along or together with; as well as; in addition to; besides; also; moreover. → if and only if.
2) (Conjunction) Added to; plus (Dictionary.com).

From M.E., from O.E., akin to O.H.G. unti "and."

Va "and," graphical corruption of o "and;" Mid.Pers. ut, u- "and;" O.Pers. utā; Av. uta- "and;" cf. Skt. utá; maybe also influenced by Av. a disjunctive particle (Skt. ) "or," occasionally used in the sense of "and;" ... "either, or;" cf. Sogd. βa, fa "and, or," "or."

<< < -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 > >>