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: 12948 Search : far
shocked quartz
  کو‌آرتز ِ تشیده، ~ شوکیده   
kuârtz-e tošidé, ~ šokidé

Fr.: quartz choqué   

A form of quartz that has a deformed microscopic structure caused by intense pressure which alters the crystalline structure of quartz along planes inside the crystal. It was first discovered after underground nuclear bomb testing. It is found worldwide at the boundary between Cretaceous and Tertiary rocks. This is further evidence (in addition to iridium enrichment) that the transition between the two geological eras was caused by a large meteorite impact.

shock; → impact.

shooting star
  شهاب   
šahâb (#)

Fr.: étoile filante   

Colloquial name for → meteor.

Shooting, from shoot (v.); M.E. shoten; O.E. sceotan "to shoot" (cf. O.N. skjota, Du. schieten, Ger. schießen), from PIE base *skeud- "to shoot, to chase, to throw;" → star.

Šahâb, → meteor.

short
  کوتاه   
kutâh (#)

Fr.: court   

1) Having little length. Not tall or high.
2) Lasting for only a small amount of time.

M.E. schort; O.E. sceort; cf. O.N. skorta "to be short of," skort "shortness;" O.H.G. scurz "short."

Kutâh "short," related to kucak "small," kudak "child, infant;" Mid.Pers. kôtâh "low," kôtak "small, young; baby;" Av. kutaka- "little, small."

short circuit
  گردراه‌بند   
gardrâhband

Fr.: court-circuit   

A relatively low → resistance contact, usually accidental, between two points of an → electric circuit with initially different → potential. A short circuit brings about a flow of excess → electric current that can damage the circuit and present a danger for the user.

short; → circuit.

Gardrâhband, literally "link, bind, bond in circuit," from gardrâh, → circuit, + band, → band.

short-period comet
  دنباله‌دار ِ کوتاه-دوره   
dombâledâr-e kutâh-dowré

Fr.: comète à courte période   

A comet with a period less than 200 years. Same as → periodic comet.

short; → period; → comet.

short-period variable
  ورتنده‌ی ِ کوتاه-دوره   
vartande-ye kutâh-dowré

Fr.: variable à courte période   

A variable star that has a relatively short period with respect to stars of similar types.

short; → period; → variable.

shortage
  کمبود   
kambud (#)

Fr.: pénurie   

1) A deficiency in quantity.
2) The amount of such → deficiency.

From → short + suffix -age.

Kambud, from kam "little, few, deficient, scarce" + bud, from budan, → exist.

shot effect
  نوفه‌ی ِ شاتکی   
nufe-ye Schottky

Fr.: effet Schottky   

Same as → Schottky noise; → shot noise.

Translation of Ger. Schroteffekt, from Schrot "small shot, buckshot" + Effekt; → effect.

shot noise
  نوفه‌ی ِ شاتکی   
nufe-ye Schottky

Fr.: bruit de grenaille   

Same as → Schottky noise and → shot effect.

shot effect.

Schottky noise.

shoulder
  دوش، سفت   
duš (#), soft (#)

Fr.: épaule   

The upper joint of each of a person's → arms and the part of the → body between this and the → neck.

M.E. schuldre, sholder, shulder, schulder, from O.E. sculdra, sculdor, akin to Du. schouder, Ger. Schulter.

Duš "shoulder;" Mid.Pers. dôš "shoulder;" Av. daoš- "shoulder;" cf. Skt. dós- "shoulder."
Soft "shoulder;" Mid.Pers. suft.

shoulder blade
  شانه، کتف   
šâné (#), ketf (#)

Fr.: omoplate   

scapula.

shoulder; blade, M.E.; O.E. blæd "blade of grass;" cognate with Du. blad, Ger. Blatt.

Šâné, ketf, → scapula.

shower
  رگبار، تندبار   
ragbâr, tondbâr (#)

Fr.: 1) averse; 2) gerbe   

1) A brief, abrupt precipitation from a cloud, characterized by the suddenness with which it begins and ends and by the rapid changes in intensity.
2) An abundant flow; an outpouring, such as → cosmic-ray shower; → air shower; → meteor shower.

M.E. shour; O.E. scur "short fall of rain, fall of missiles or blows;" cf. O.N. skur, O.S., O.H.G. scur, Ger. Schauer.

Ragbâr "cloudburst," from rag "cloudburst; thunder," → rain + bâr "raining, rain," from bâridan, → rain.
Tondbâr, with tond "fast," → velocity.

shower meteor
  شهاب ِ بارانی، ~ رگباری   
šahâb-e bârâni, ~ ragbâri

Fr.: météore de la pluie, ~ ~ l'averse   

A → meteor that is part of a group moving in the same orbit around the Sun. → meteor shower.

meteor; → shower.

shutter
  بستار   
bastâr (#)

Fr.: obturateur   

1) A pair of rolling lids that are used to open or close the dome slit. Same as → dome shutter.
2) A mechanical device that controls the time during which light is admitted in an optical system.

Shutter, from shut (v.), 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 agent nouns (as in xaridâr, virâstâr, foruxtâr, nemudâr, etc.).

SI system
  راژمان ِ SI   
râžmân-e SI

Fr.: système international   

The system of → SI units.

SI units.

SI units
  یکاهای ِ SI   
yekâhâ-ye SI

Fr.: Système International   

A coherent and rationalized system of units, in common use in physics since 1969. The seven basic units are the → meter, the → kilogram, the → second, the → ampere, the → kelvin, the → mole, and the → candela. Same as international system of units.

SI, from Fr. Système Internationale d'unités; → unit.

sibling
  برخا، همشیر   
barxâ, hamšir (#)

Fr.: enfant de mêmes parents   

A person's brother or sister.

M.E., from O.E. sibling "relative, kinsman," from sibb "kinship, relationship; love, friendship," cf. O.Saxon sibba, M.Du. sibbe, O.H.G. sippa, Ger. Sippe "kin, related," Icelandic sifi "related."

Barxâ, from bar- first sylaable of barâdar, → brother, + xâ-, short for xâhar (xwâhar), → sister.
Hamšir, literally "of the same milk," more specifically "sucking the same breast." However, a hamšir may not be a person's brother or sister.

sickle
  داس   
dâs (#)

Fr.: faucille   

1) An implement for cutting grain, grass, etc., consisting of a curved, hook-like blade mounted in a short handle (Dictionary.com).
2) Astro.: (initial capital letter) The six bright stars that mark the lion's head and chest in the → Leo constellation.

M.E. sikel, O.E. sicol; cf. Du. zikkel, Ger. Sichel, from L. secula, from sec(are) "to cut," → section, + -ula, → -ule.

Dâs, from Mid.Pers. dâs "sickle," ultimately from Proto-Ir. *das- "to heap; arrange;" cf. Av. spra.dāta- "heaped up with good things;" related to Pers. dasté "group,", andâzé, → measure, hendesé, → geometry.

side
  بر، پهلو، کنار   
bar (#), pahku (#), kenâr (#)

Fr.: côté   

1) A line segment that forms part of the perimeter of a plane geometric figure.
2) A surface of a solid geometric figure.

M.E., from O.E. side "flanks of a person, the long part of anything;" cf. O.S. sida, O.N. sitha, M.Du. side, O.H.G. sita, Ger. Seite.

Bar "side; breadth; breast," variant var; Mid.Pers. var "breast;" Av. vouru "wide, broad, extended" (vourucašāni- "looking far"), related to varah- "breast;" cf. Skt. urú- "wide, broad," úras- "breast;" Gk. eurus "wide, broad;" PIE base uer-, ueru-s "wide, broad."
Pahlu "side, flank;" Mid.Pers. pahlug "side, rib," Av. pərəsu- "rib," Ossetic fars "side, flank," cf. Skt. párśu- "rib," O.C.S. prbsi "breast," Lit. piršys (pl.) "horse breast."
Kenâr "side," variant karân "edge, limit;" Mid.Pers. karân, karânak, kenâr "edge, limit, boundary;" Av. karana- "side, boundary, end."
octagon, → polygon, → quadrilateral, → triangle.

side lobe
  لپ ِ کناری   
lap-e kenâri

Fr.: lobe secondaire   

1) In → radio astronomy, smaller amounts of gain found either side of the main lobe.
2) In transmitting antennae, radiation in any direction other than that required.

side; → lobe.

<< < -es -iv -ti 21- A r abe abs abs acc acc acc act act ada adi adu aff age alc Alf ali all alp alt ama amp ana ang ang ann ano ant ant ape apo app aps arc Arg ari art ass ast ast ast atm ato att aur aut axi B r bac Bal Bar Bar Bay bec Ber Bet Bie bij bin bio bis bla bla blu blu bol Bor bou Bra bre bro Bug C-s cal Cam can car Car Cas cat cav cel cen cer Cha cha cha che cho cir cir cir cla clo clo clu 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 coo cor cor cor cos cos cos Cou cou Cra Cre cri cro cub cur cyc cyl dar dat daw de- Deb dec dec dee def deg del Den dep der det deu dew dic dif dif dil dip dir dis dis dis dis dis div dog Dop dou dra dua dus dwa dyn e-m ear ecl eco eff ein Ein elb ele ele ele ele Els emi emp ene enr env epi equ equ Eri est Euc eva evo exc exc exh exo exp exp ext ext f-n Fah fam fau fee Fer fib fil fin fir fix fle flu foc for for for fra fre fre fri fun fuz gal gal gal Gan gau GCN gen geo geo geo geo Gl glo gra gra gra gra gra gre gro GW1 hab hal han HAR haz hea hel hel Hen Her heu Hig Hil hol hop hor hou Hub Hum Hyd hyd hyd hyp hys ide ign ima imp imp inc inc ind ine inf inf inf inh INP ins ins int int int int Int int int int inv ion iri irr iso iso iso Jea Jos Jun K2 Kep key kin Kol lag lam Lan lar las lav lea leg len lev lig lim lin lin lin lis lob loc log lor low lum lun lun Lym Mac mag mag mag mag mag mai Mal mar mas mas mat max mea mea mee Men mer met met met mic mid Mil min Mir mix mod mod mol mon Mor mou mul muo mys nan nat nav nec Nep neu New New NGC nob nom non non nor not nuc nuc num Nyq obj obs obs oce oen OH omn opa ope opt opt opt orb ord Ori ort osc out ove oxy pal pan par Par par par pas pea Pen per per per per per pet pha pho pho pho phy pie Pit Pla pla pla pla ple Poi pol pol pol pol pop pos pos pow pre pre pre Pre pri pri pri pro pro pro pro pro pro Pro pub pul pyr qua qua qua qua Qui rad rad rad rad rad rad ram ran rat rea rec rec rec red ref ref reg reg rel rel rem rep res res res ret rev rho Rie rim riv rol Ros rot rul S a Sah san Sat sca Sch Sch scr sec sec sec sei sel sem sep set sha she sho sid sig sil sim sin sit sky slu sno sof sol sol sol sol sou sou spa spa spe spe spe sph spi spl spr sta sta sta sta sta ste ste sti sto str str sub sub sub sug sun sup sup sup sup sur syl syn sys tal Tay tel ten ter tex the the the thi tho thu tid tim tod top tot tra tra tra tra tri tri tro tru tur twi Typ UFO ult unc uni uni uni upg ura uti val var vec vel ver ver vig vir vis voc von wak Was wav wax wea wei whi Wie win WN6 wom X-r yel you zer zod > >>