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: 737
documentary
  دپگی، دپگین   
dapegi, dapegin

Fr.: documentaire   

1) Pertaining to, consisting of, or derived from documents.
2) Movies, Television: Based on or re-creating an actual event, era, life story, etc., that purports to be factually accurate and contains no fictional elements (Dictionary.com).

document; → -ary.

documentation
  دپش   
dapeš

Fr.: documentation   

1) The use of documentary evidence.
2) A furnishing with documents, as to substantiate a claim or the data in a book or article.
3) Computers: Manuals, listings, diagrams, and other hard- or soft-copy written and graphic materials that describe the use, operation, maintenance, or design of software or hardware (Dictionary.com).

document; → -tion.

dog
  سگ   
sag (#)

Fr.: chien   

A domestic mammal related to the wolf and bred in many varieties.

From M.E. dogge, from O.E. docga "hound, powerful breed of dog," cognate with Scots dugdogge, Ger. Dogge, of unknown origin.

Sag "dog" (Lori say, sayu "puppy;" Pashto spay, spie "bitch;" Semnâni esba; Sangesari əsba; Kajali of Khlkhâl esbé; Tâleshi of Vizna səba; Abyâni kuyâ); from Mid.Pers. sag "dog;" O.Pers. *saka-; Median *spaka-; Av. spā-; cf. Skt. svâ-; L. canis "dog;" Gk. kuon; O.E. hund, E. hound, Ger. Hund; PIE *kwon-.

dogma
  کیش   
kiš (#)

Fr.: dogma   

1) A specific tenet or doctrine authoritatively laid down, as by a church.
2) An official system of principles or tenets concerning faith, morals, behavior, etc., as of a church.
3) Prescribed doctrine proclaimed as unquestionably true by a particular group (Dictionary.com).

L. dogma "philosophical tenet," from Gk. dogma "opinion, tenet," literally "that which one thinks is true," from dokein "to seem good, think," cognate with Pers. andišé "thought," dis, → form.

Kiš "dogma, religion," from Mid.Pers. kêš "religion, faith, dogma;" Av. tkaēša- "teaching," kaeš-, kaš- "to teach;" PIE *kweis- "to observe, see" (Cheung 2007).

dogmatic
  کیشناک، کیشمند، کیشور   
kišnâk, kišmand, kišvar

Fr.: dogmatique   

1) Of, pertaining to, or of the nature of a dogma or dogmas; doctrinal.
2) Asserting opinions in a doctrinaire or arrogant manner; opinionated (Dictionary.com).

dogma + -t- + → -ic.

dogmatism
  کیشمندی   
kišmandi

Fr.: dogmatisma   

The tendency to lay down principles as undeniably true, without consideration of evidence or the opinions of others (OxfordDictionaries.com).

dogmatic;→ -ism.

domain
  دمن   
daman

Fr.: domaine   

1) Math.: The set of x values that can go into a function f(x). Compare with → codomain and → range.
2) Ferromagnetism: → magnetic domain.

From M.Fr. domaine "domain, estate," from O.Fr. demaine "lord's estate," from L. dominium "property, dominion," from dominus "master of a household," from domus "house;" cognate with Pers. dam, as below; Gk. domos "house;" O.C.S. domu , Russ. dom "house;" Lith. dimstis "enclosed court, property;" O.E. timber "building, structure"); PIE base *dem-/*dom- "to build."

Daman, from Av. dəmāna- "house," dami "in the house;" cf. Sogd. δmān "house;" Mod.Pers. dam "wealth, means of comfort" (often as dam o dastgâh); "threshold, doorway;" Gilaki dâmana "ceiling;" Sariqoli waδem, Yazghulami wəδem "ceiling;" Skt. dám- "house;" Proto-Iranian *damH- "to build;" Gk. demo "I build;" L. domus "house," as above.

domain wall
  دیوار ِ دمن   
divâr-e daman

Fr.: paroi de domaine, mur ~ ~   

In a → ferroelectric substance, the transition layer between two → domains magnetized in different directions. It is of finite thickness ans has nonuniform → magnetization.

domain; → wall.

dome
  گنبد   
gonbad (#)

Fr.: coupole   

A vault, having a circular plan and usually in the form of a portion of a sphere, that shelters an optical telescope.
Geology: Rounded volcanic structure produced by eruption or intrusion of viscous high-silica magma. An uplift that is round or elliptical in map view with beds dipping away in all directions from a central point.

From Fr. dôme, from Gk. doma "house, housetop," related to domos "house" (PIE *domo-/*domu- "house, household;" cf. Av. dam-, dəmāna- "house," Skt. dám- "house," Gk. doma "house," L. domus "house," Rus. dom "house," Lith. dimstis "enclosed court, property," O.E. timber "building, structure").

Mid.Pers. gumbat, gônbat.

dome hatch
  دریچه‌ی ِ گنبد   
darice-ye gonbad

Fr.: volet de coupole   

One of small covers that can be moved along the dome slit to vary the slit size.

dome; → hatch.

dome shutter
  بستار ِ گنبد   
bastaar-e gonbad

Fr.: fermeture de fente   

A pair of rolling lids that are used to open or close the dome slit.

dome; shutter from to shut, from O.E. scyttan from W.Gmc. *skutjanan + → -er.

Bastâr, from bast, past tense stem of bastan + -âr. Bastan, from Mid.Pers. bastan/vastan "to bind, shut," Av./O.Pers. band- "to bind, fetter," banda- "band, tie," Skt. bandh- "to bind, tie, fasten," PIE *bhendh- "to bind," cf. Ger. binden, E. bind, → band. The suffix -âr creates creates agent nouns; → dome.

dome slit
  شکاف ِ گنبد   
škâf-e gonbad

Fr.: fente de coupole   

An opening along the spherical body of a dome through which an optical telescope can observe.

dome; → slit.

dominant coefficient
  همگر ِ چیرنده   
hamgar-e cirandé

Fr.: coefficient dominant   

Of a → non-zero polynomial, the coefficient of the → monomial which has the highest → degree.

Dominant, adj. from → dominant; → coefficient.

dominate
  چیریدن   
ciridan

Fr.: dominer   

To have control, authority, or influence; to be the most important or conspicuous person or thing.
core-dominated quasar, → dominant coefficient, → dominated series, → domination, → lobe-dominated quasar, → matter-dominated Universe, → radiation-dominated Universe.

From L. dominatus, p.p. of dominari "to rule, dominate, govern," from dominus, → domain.

Ciridan, from ciré "dominant; powerful; victorious," Mid.Pers. cêr "victorious, brave," Av. cirya- "able, brave."

dominated series
  سری ِ چیریده   
seri-ye ciridé

Fr.: série dominée   

A → series if each of its → terms does not exceed, in absolute value, the corresponding term of some convergent numerical series with positive terms.

Dominated, p.p. of → dominate; → series.

domination
  چیرش   
cireš

Fr.: domination   

An act or instance of dominating.

Verbal noun of → dominate.

donor
  دهنده   
dahandé (#)

Fr.: donneur   

In a semiconductor, an impurity which may induce electric conduction by providing free electrons. → acceptor; → impurity.

M.E. donour, from O.Fr. doneur, from L. donator, from donare "to give as a gift," donum "gift," dare "to give," cognate with Pers. dâdan "to give," from PIE base *do- "to give."

Dahandé "giver," from dâdan "to give," Mid.Pers. dâdan "to give," O.Pers./Av. dā- "to give, grant, yield," Av. dadāiti "he gives," Skt. dadâti "he gives," Gk. didomi "I give," PIE base *do- "to give." For L. cognates see above.

donor star
  ستاره‌ی ِ دهنده   
setâre-ye dahandé

Fr.: étoile donneuse   

In a → binary system, a star whose gas is → accreted by a compact companion. The donor may be a → giant or a → supergiant with an enormously distended atmosphere and a significant → stellar wind, or a star filling its → Roche lobe in a → close binary.

donor; → star.

door
  در   
dar (#)

Fr.: porte   

A movable barrier by which an entry is closed and opened.

M.E. dore, O.E. duru "door, dor gate;" akin to Ger. Tür, O.Norse dyrr, O.Irish dorus, Pers. dar, as below.

Dar "door," Mid.Pers. dar; O.Pers. duvara-; Av. dvar-; cf. Skt. dvár-; Gk. thura; L. fores; Lith. dvaras "court-yard;" E. door, as above; PIE *dhwer-/*dhwor- "door, gate."

dope
  آغاردن   
âqârdan (#)

Fr.: doper   

Electronics: To add or treat a pure semiconductor with an impurity (dopant) to change its electrical properties.

From Du. doop "thick dipping sauce," from dopen "to dip."

Âqârdan "to mix, to soak," cf. Sogdian wγyr- "to soak, steep," zγr "moisture," Ossetic qaryn "to permeate, seep through (of liquid)," Skt. ghar-, jigharti "to sprinkle, drip."

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