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: 1259
confuse
  پشیدن   
pašidan

Fr.: confondre   

1) To make unclear or indistinct.
2) To fail to distinguish between; associate by mistake; confound (Dictionary.com).

Back formation from confused, M.E. confused, from O.fr. confus, from L. confusus, p.p. of confundere, → confound.

confound.

confused
  پشیده، پشناک   
pašidé, pašnâk

Fr.: confus   

1) (Of a person) Unable to think clearly; perplexed.
2) Lacking order and so difficult to understand. Disordered.

Past participle of → confuse.

confusion
  پشش   
pašeš

Fr.: confusion   

1) The act of confusing.
2) The state of being confused.
3) Disorder; upheaval; tumult; chaos (Dictionary.com).

Verbal noun of → confuse.

confusion limit
  حد ِ پشش   
hadd-e pašeš

Fr.: limite de confusion   

The → fluctuations of the → background  → sky brightness below which astronomical → sources cannot be → detected individually. The confusion limit is reached when the density of sources brighter than the → root mean square  → noise becomes high enough within the area of the resolution element.

confusion; → limit.

conglomerate
  هاگلمیدن   
hâgolemidan

Fr.: conglomérer   

1) Anything composed of heterogeneous materials or elements.
2) Geology: A sedimentary rock made of rounded rock fragments (greater than two millimeters in diameter), such as pebbles, cobbles, and boulders, in a finer-grained matrix.

From L. conglomeratus, p.p. of conglomerare "to roll together," from → com- "together" + glomerare "to gather into a ball," from glomus (genitive glomeris) "a ball," globus "globe;" PIE *gel- "to make into a ball."

Hâgolemidan, from hâ- "together," → com-, + golem "glomus," → agglomerate.

conglomeration
  هاگلمش   
hâgolemeš

Fr.: conglomération   

1) The act of conglomerating; the state of being conglomerated.
2) a cohering mass; cluster (Dictionary.com).

Verbal noun of → conglomerate.

congruence
  دمسازی   
damsâzi

Fr.: congruence   

The quality or state of agreeing or corresponding. → congruent.

Noun form of → congruent.

congruent
  دمساز   
damsâz

Fr.: congruent   

1) Agreeing; accordant.
2) Math.: → congruent number.
3) Geometry: → congruent angles, → congruent circles, → congruent line segments, → congruent polygons, → congruent triangles.

Congruent "suitable, proper," from L. congruentem (nominative congruens) "agreeing, fit, suitable," p.p. of congruere, literally "to come together, agree, correspond with," from → com- "with" + a lost verb *gruere, *ruere "fall, rush."

Damsâz "agreeing, consenting, harmonious," maybe from hamsâz "unanimous," → compatible.

congruent angles
  زاویه‌های ِ دمساز   
zâviyehâ-ye damsâz

Fr.: angles congrus   

Two angles if they have the same measure. Congruent angles may lie in different orientations or positions.

congruent; → angle.

congruent circles
  پرهون‌های ِ دمساز   
parhunhâ-ye damsâz

Fr.: cercles congrus   

Two circles if they have the same size.

congruent; → circle.

congruent line segments
  برنک‌های ِ دمساز   
borankhâ-ye damsâz

Fr.: segments congru   

Two line segments if they have the same length. They need not lie at the same angle or position on the plane.

congruent; → line; → segment.

congruent number
  عدد ِ دمساز   
adad-e damsâz

Fr.: nombre congru   

Number theory: An → integerN if there exists a → right triangle with → rational sides so that the area of the triangle is N. For example, the number N = 6, because of the 3-4-5 triangle.

congruent; → number.

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
  هاشن   
hâšan

Fr.: conjecture   

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.

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