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
distinction
  بژنایش   
bažnâyeš

Fr.: distinction   

1) The act or an instance of distinguishing or differentiating.
2) A distinguishing feature.
3) The state of being different or distinguishable.
4) Special honor, recognition, or fame (The FreeDictionary.com).

distinct; → -tion.

distinctive
  بژناینده   
bažnâyande

Fr.: distinctif   

Serving to identify; distinguishing or characteristic.

distinct; → -ive.

distinctly
  بژنانه   
bažnâne

Fr.: distinctement, clairement   

In a clear and noticeable way; clearly.

distinct; → -ly.

distinctness
  بژنایی   
bažnâyi

Fr.: distinction, différence   

The state or quality of being distinct.

distinct; → -ness.

distinguish
  بژناییدن   
bažnâyidan

Fr.: distinguer   

1) To perceive as being different or distinct.
2) To demonstrate or describe as being different or distinct.

ME. distingwen, from O.Fr. distinguer, from L. distinguere "to separate between, divide, mark off," perhaps literally "separate by pricking," from assimilated form of → dis- "apart" + -stinguere "to prick."

Bažnâyidan, verb from bažnâ, → distinct.

distinguished
  بژناییده، بژناسته   
bažnâyide, bažnâste

Fr.: distingué   

1) Characterized by excellence or distinction; eminent.
2) Dignified in conduct or appearance (TheFreeDictionary.com).

Past participle of → distinguish.

distort
  چوله‌کردن، چولیدن   
cowlé kardan, cowlidan

Fr.: déformer, altérer   

To twist awry or out of shape; make crooked or deformed (Dictionary.com).

From L. distortus, p.p. of distorquere "to distort," from → dis-, + torquere "to twist."

Cowlé "distorted, crooked, bent," variants [Mo'in] kowlé, kal, kil, Lori cowel, Laki hoval, hol, Malâyeri caval, hol, Tabari, Aftari val, Mid.Pers. xwahl "bent, crooked;" PIE base *klei- "to lean, incline" from which is also derived Gk. klinein "to cause to slope, slant, incline," L. clinare "to bend," → declination.

distortion
  چولگی، چولش   
cowlegi (#), cowleš

Fr.: distorsion, déformation   

1) Extent to which a system, optical, acoustic, or electronic, fails to reproduce accurately at its output the characteristics of the input.
2) Optics: An optical imperfection caused by a → lens or → system of lenses which results in → magnification differences between different points on the → image. The points on the → object are misplaced in the image relative to the → center of the → field. See also → barrel distortion; → pincushion distortion.

Verbal noun of → distort.

distribute
  واباژیدن   
vâbâžidan (#)

Fr.: distribuer   

1) (v.tr.) To divide and dispense in portions; to disperse through a space or over an area.
2) (v.intr.) Math.: To be → distributive. → distribution.

Distribute, from L. distributus p.p. of distribute "deal out in portions," from → dis- + tribuere "to pay, assign, allot," from tribus "tribe."

Vâbâžidan, infinitive of vâbâž, from vâ-dis- + bâž "tribute, toll, impost," from Mid.Pers. bâj, bâž "tribute, tax," baxtan "to distribute," baxt "luck, fate," O.Pers. bāji- "tribute, tax," Av. bag- "to distribute, divide, allot," cf. Skt. bhaj- "to share, distribute, apportion," Gk. phagein "to eat (to have a share of food)"; PIE base *bhag- "to share out, apportion;" → division.

distribution
  واباژش   
vâbâžeš (#)

Fr.: distribution   

An act or instance of distributing; the state or manner of being distributed; something that is distributed. → binomial distribution, → Bose-Einstein distribution, → brightness distribution, → chi-square distribution, → cumulative distribution function, → distribution function, → Gaussian distribution, → Gibbs canonical distribution, → lognormal distribution, → Maxwell-Boltzmann distribution, → normal distribution, → Poisson distribution, → power-law distribution, → probability distribution, → spectral energy distribution.

Verbal noun of → distribute

distribution function
  کریای ِ واباژش   
karyâ-ye vâbâžeš

Fr.: fonction de distribution   

A function that gives the relative frequency with which the value of a statistical variable may be expected to lie within any specified interval. For example, the Maxwellian distribution of velocities gives the number of particles, in different velocity intervals, in a unit volume.

distribution; → function.

distributive
  واباژشی   
vâbâžeši

Fr.: distributif   

Characterized by or relating to → distribution. → distributive law.

distibution; → -ive.

distributive law
  قانون ِ واباژش   
qânun-e vâbâžš

Fr.: loi distributive   

Math.: In multiplication, the principle that permits the multiplier to be applied separately to each term in the multiplicand: x(y + z) = xy + xz. → associative law; → commutative law.

distributive; → law.

distributivity
  واباژندگی   
vâbâžandegi

Fr.: distributivité   

The state or quality of being distributive.

Noun of → distributive.

disturb
  پریشاندن   
parišândan (#)

Fr.: déranger, perturber   

1) To interfere with; interrupt; hinder.
2) To interfere with the arrangement, order, or harmony of; disarrange (Dictionary.com).

M.E., from O.Fr. destorber, from L. disturbare "to throw into disorder," from → dis- "completely" + turbare "to disorder, disturb," from turba "turmoil," → turbid.

Parišândan, infinitive from parišân "dispersed, scattered," also parišidan "to disperse, get disturbed," ultimately from Proto-Ir. *parišan- literally "disperse around," from *pari-, Pers. par-, pirâ-, → peri-, + *šan- "to shake;" cf. afšândan, → volcano; Choresmian šny- "to tremble;" Zazaki šânâyiš/šânen- "to shake, scatter;" Kurd râšândin "to spread;" Tabari šanne "he shakes" (Cheung 2007).

disturbance
  پریشانش   
parišâneš

Fr.: dérangement, perturbation   

The act of disturbing. The state of being disturbed.

Verbal noun of → disturb.

diurnal
  روزانه   
ruzâné (#)

Fr.: diurne   

Having a period of, occurring in, or related to a → day.

L.L. diurnalis, from V.L. diurnum "day" (Fr. jour), from L. diurnus "daily," from dies "day" + -urnus, an adj. suffix denoting time. Dies "day" from PIE base *dyeu- "to shine;" cf. Gk. delos "clear;" L. deus; Skt. deva "god;" Mod.Pers. div "devil, demon;" O.Pers. daiva- "evil god, demon;" Av. daēva- "evil spirit, false god;" Gk. Zeus "supreme god."

Ruzâné, from ruzday + -âné a suffix forming adverbs and adjectives.

diurnal aberration
  بیراهش ِ روزانه   
birâheš-e ruzâné

Fr.: aberration diurne   

The aberration of a star's position due to the rotation of the Earth. Its value depends on the latitude of the observer, and is only 0''.32 in the case of an observer at the equator, where the rotational velocity is greatest.

diurnal; → aberration.

diurnal circle
  پرهون ِ روزانه، دایره‌ی ِ ~   
parhun-e ruzâné, dâyere-ye ~

Fr.: cercle diurne   

The apparent path of an object in the sky during one day, due to Earth's rotation.

diurnal; → circle.

diurnal libration
  هلازان ِ روزانه   
halâzân-e ruzâne

Fr.: libration diurne   

Daily geometrical libration of the Moon arising from the fact that observers at different points on the Earth see the Moon from slightly different angles. As the Moon rises in the east, you are positioned on one side of our planet, and by the time it sets in the west. Earth's rotation has carried you to the other side. This change in position produces a slight → parallax effect that adds about another 1° of libration in longitude. Two other geometrical libration are → libration in longitude and → libration in latitude. See also → physical libration.

diurnal; → libration.

<< < -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 > >>