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
congruent polygons
  چندبرهای ِ دمساز   
candbarhâ-ye damsâz

Fr.: polygones congrus   

Polygons that have an equal number of sides, and all the corresponding sides and angles are congruent. However, they can be in a different location, rotated or flipped over.

congruent; → polygon.

congruent triangles
  سه‌برهای ِ دمساز   
sebarhâ-ye damsâz

Fr.: triangles congrus   

Two triangles when all corresponding sides and interior angles have the same measure. The triangles will have the same shape and size, but one may be a mirror image of the other.

congruent; → triangle.

conic
  مخروطی   
maxruti (#)

Fr.: conique   

Same as → conic section.

Adj. from → cone.

conic section
  سکنج ِ مخروطی   
sekanj-e maxruti

Fr.: section conique   

A curve which may be represented as the intersection of a plane with a cone; hence a → parabola, → hyperbola, or → ellipse.

cone; → section.

conjecture
  ۱) هاشن؛ ۲) هاشنیدن   
1) hâšan; 2) hâšanidan

Fr.: 1) conjecture; 2) conjecturer, supposer   

1a) The formation or expression of an opinion or theory without sufficient evidence for proof. → mathematical conjecture.
1b) An opinion or theory so formed or expressed; → guess; → speculation.
2) To conclude or suppose from grounds or evidence insufficient to ensure reliability (Dictionary.com).

An opinion or theory formed without sufficient evidence for proof; guess; speculation.

M.E., from O.Fr. conjecture "surmise, guess," or directly from L. coniectura "conclusion, interpretation, guess, inference," literally "a casting together (of facts, etc.)," from coniectus, p.p. of conicere "to throw together," from → com- "together" + iacere "to throw," → eject.

Hâšan, from hâ-, variant ham-, → com-, + šan, from ešândan "to throw out," → eject.

conjugate
  ۱) همیوغ؛ ۲) همیوغیدن   
1) hamyuq (#); 2) hamyuqidan (#)

Fr.: 1) conjugué; 2) conjuguer   

1) An element of a group related to a given element x by y = z-1xz or zy = xz, where z is another element of the group. Also known as → transform.
2) To → inflect a verb.

From L. conjugare "to join together," from → com- "together" + jugare "to join," from jugum "yoke," from PIE *yeug- "to join;" cf. Av. yaog- "to yoke, put to; to join, unite," Mid.Pers. jug, ayoxtan "to join, yoke," Mod.Pers. yuq "yoke," Skt. yugam "yoke," Hittite yugan "yoke;" Gk. zygon "yoke," zeugnyanai "to join, unite," O.C.S. igo, O.Welsh iou, Lith. jungas O.E. geoc.

Hamyuq, from ham- "together," → com- + yuq "yoke," from PIE *yeug- "to join," as above.

conjugate angles
  زاویه‌ها‌ی ِ همیوغ   
zâviyehâ-ye hamyuq

Fr.: angles conjugués   

Two angles whose sum is 360° or 2π radians.

conjugate; → angle.

conjugate axis
  آسه‌ی ِ همیوغ   
âse-ye hamyuq

Fr.: axe conjugué   

One of the two diameters of a conic, so related that a tangent at the end of one is parallel to the other.

conjugate; → axis.

conjugate complex number
  عدد ِ همتافت ِ همیوغ   
adad-e hamtâft hamyuq (#)

Fr.: nombre complexe conjugé   

The conjugate of a → complex number, expressed by ū = a - bi. The complex number and its conjugate have the same real part. Same as → complex conjugate.

conjugate; → complex; → number.

conjugate momentum
  جنباک ِ همیوغ   
jonbâk hamyuq

Fr.: moment conjugué   

If qj (j = 1, 2, ...) are generalized coordinates of a classical dynamical system, and L is its Lagrangian, the momentum conjugate to qj is pj = ∂L/∂q. Also known as canonical momentum.

conjugate; → momentum.

conjugate points
  نقطه‌های ِ همیوغ   
noqtehâ-ye hamyuq

Fr.: points conjugués   

Two points positioned along the principal axis of a mirror or lens so that light coming from one focuses onto the other.

conjugate; → point.

conjugate ray
  پرتو ِ همیوغ   
partow-e hamyuq

Fr.: rayon conjugué   

Of an optical ray, the parallel ray that passes through the center of the → optical system.

conjugate; → ray.

conjugate transpose
  ترانهاد ِ همیوغ   
tarânehâd-e hamyuq

Fr.: transpose conjugé   

Of an m x nmatrix  A with → complex  → elements, the n x m matrix A* obtained from A by taking the → transpose and then taking the → complex conjugate of each element. Same as → adjoint matrix or Hermitian transpose.

conjugate; → transpose.

conjugation
  همیوغش   
hamyuqeš (#)

Fr.: conjugaison   

1) Math: An operation of a group G on itself which associates with each ordered pair (x,y) of elements in the group the element xyx-1.
2) Grammar: The → inflection of verbs.

Verbal noun form of → conjugate.

Hamyuqeš, from ham-, as above + yuqeš verbal noun of yuqidan "to yoke, join," from yuq "yoke," from PIE *yeug- "to join," → conjugate.

conjunct
  هم‌جوهه   
hamjuhé

Fr.:   

Any of the component statements of a → conjunction.

conjunction.

conjunction
  ۱) هم‌ایستان، هاجوهش؛ ۲) هاجوهش   
1) hamistân, hâjuheš; 2) hâjuheš

Fr.: conjonction   

1) A position of two bodies in the → solar system when they have the same → celestial longitude, seen from the Earth. The bodies can be a → planet and the → Sun, two planets or the → Moon and a planet. The → superior planets are in conjunction with the Sun, when, seen from the Earth, they are right behind the Sun. The → inferior planets, such as Mercury and Venus, have two conjunctions with the Sun: → inferior conjunction, when they are between the Earth and the Sun, and → superior conjunction, when they are on the other side of the Sun.
2) Logic: A → proposition of the form "A and B" (A ∧ B), where A and B are themselves propositions. For example, if A is "It is 8 O'clock" and B is "We are late," then AB is "It is 8 O'clock and we are late." A and B are called → conjuncts. The conjunction of A and B is → true only if A and B are both true.
3) Grammar: A word that connects words, phrases, or clauses, or sentences. Examples are: and, or, but, because, however, neither.

M.E. conjunccio(u)n, from O.Fr. conjonction, from L. conjunctionem, p.p. of conjugare "to join together," from → com- "together" + jugare "to join," from jugum "yoke," from PIE *yeug- "to join;" Av. yaog- "to yoke, put to; to join, unite;" Mid.Pers. jug, ayoxtan "to join, yoke;" Mod.Pers. yuq "yoke," variant juh, → yoke; Skt. yugam "yoke;" Hittite yugan "yoke;" Gk. zygon "yoke," zeugnyanai "to join, unite;" O.C.S. igo; O.Welsh iou; Lith. jungas; O.E. geoc.

Hamistân "standing together," from ham- "together," → com- + istân "standing," from istâdan "to stand" (cf. Skt samstha "an assembly"), 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."
Hâjuheš, from hâ-, variant of ham-, → com-, + juh "yoke," as above.

connect
  هابندیدن   
hâbandidan

Fr.: connecter, se connecter   

To join, link, or fasten together.
To establish communication with or between.

M.E., from L. connectere, from "to fasten together, join together," from → com- "together" + nectere "to bind, tie," from nexus "bond, link," related to nodus "knot."

Hâbandidan, from hâ- intensive prefix, from ham-, → com-, + band present stem of bandidan, bastan, → band; cf. (dialectal Anâraki) ha-bend.

connected
  هابندیده   
hâbandidé

Fr.: connecté   

Joined, linked, or having a connection. → connected graph.

Past participle of → connect.

connected graph
  نگاره‌ی ِ هابندیده   
negâre-ye hâbandidé

Fr.: graphe connecté   

In → =graph theory, a graph if for every pair of distinct vertices there is a path.

connected; → graph.

connection
  هابند، هابندش   
hâband, hâbandeš

Fr.: connexion   

The act or state of connecting. The state of being connected. Something that connects; link; bond.

Verbal noun of → connect.

<< < -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 > >>