An Etymological Dictionary of Astronomy and Astrophysics

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory



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Number of Results: 1335
confined plasma
  پلاسمای ِ پربسته   
pelâsmâ-ye parbasté

Fr.: plasma confiné   

Plasma in which magnetic field lines forming closed surfaces confine the plasma.

Confined, p;p. of → confine; → plasma.

parbast (#)

Fr.: confinement   

General: The act of confining; the state of being confined. Physics: A property of quantum electrodynamics whereby quarks cannot exist as free particles, but are forever bound into protons, neutrons, etc.

Noun from → confine.

  استوار کردن، ستواریدن   
ostovâr kardan (#), sotvâridan

Fr.: confirmer   

To support or establish the certainty or validity of; verify.

L. confirmare "make firm, establish," from → com- intensive prefix + firmare "to strengthen," from firmus "firm, stable," from PIE base *dher- "to hold firmly, support," cf. Skt. dharmah "status, law," Gk. thronos "seat."

Ostovâr kardan, sotvâridan from ostovâr "firm, reliable," Mid.Pers. awestwâr, ôst "firm, reliable," O.Pers./Av. sta- "to stand; set," (Av. hištaiti, cf. Skt. sthâ- "to stand," Gk. histemi "put, place, weigh," stasis "a standing still," L. stare "to stand"); PIE base *sta- "to stand."

  استواری، ستوارش   
ostovâri (#), sotvâreš

Fr.: confirmation   

The act of confirming or the state of being confirmed.

Verbal noun from → confirm.

kešmakeš (#)

Fr.: conflit   

1) A serious disagreement or argument, typically a protracted one.
2) A serious incompatibility between two or more opinions, principles, or interests (Oxford.Dictionaries).

M.E., from O.Fr. conflit and directly from L. conflictus, p.p. of confligere "to strike together, be in conflict," from → com- "together" + fligere "to strike."

Kešmakeš, literally "pulling different ways," from kešidan "to pull, carry, draw," → galaxy.


Fr.: conforme   

Math.: Of, pertaining to, or specifying a mapping of a surface upon another surface so that all angles between intersecting curves remain unchanged.

con- + → form + → -al.

conformal compactification
  همپکانش ِ همدیس   
hampakâneš-e hamdi

Fr.: compactification conforme   

A mapping of an infinite → space-time onto a finite one that may make the far away parts of the former accessible to study. The technique invented by Penrose defines an equivalence class of → metrics, gab being equivalent to ĝab = Ω2gab, where Ω is a positive scalar function of the space-time that modifies the distance scale making the asymptotics of the physical metric accessible to study.

conformal; → compactification.

conformal mapping
  همتایش ِ همدیس   
hamtâyeš-e hamdis

Fr.: application conforme   

A continuous mapping u = f(x) of a domain D in an n-dimensional Euclidean space (n≥ 2) into the n-dimensional Euclidean space is called conformal at a point x0D if it has the properties of constancy of dilation and preservation of angles at this point.

conformal; → mapping.


Fr.: confondre   

1) To throw into confusion or disorder.
2) To treat or regard erroneously as identical; mix or associate by mistake (

M.E. conf(o)unden, from Anglo-Fr. confoundre, O.Fr. confondre "throw into disorder, crush, ruin," from L. confundere "to confuse," literally "to pour together, mix, mingle," from → com- + fundere "to pour"

Pašidan, from Tâti paši "confused, blend;" ultimately from Proto-Ir. *apa-šan-, from *šan- "to shake;" cf. Mid.Pers. pašân-, afšân- "to spread, scatter;" Pers. afšândan "to disperse;" Kurd. pašiv "messy, disordered," pašukân "to be agitated, distraught;" Gilaki voršin "messy, disordered;" see → chaos for other dialectal examples.


Fr.: confondre   

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

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


  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.


Fr.: confusion   

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

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.


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.


Fr.: conglomération   

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

Verbal noun of → conglomerate.


Fr.: congruence   

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

Noun form of → congruent.


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.

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