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: 12982 Search : far
cometary tail
  دم ِ دنباله‌دار   
dome- donbâledâr

Fr.: queue de comète   

A formation of → gas and/or → dust that streams away from the → coma of many comets under the influence of the Sun's → radiation pressure and the → solar wind. See also: → dust tail, → gas tail, → ion tail, → plasma tail, → sodium tail, → Type I tail, → Type II tail, → antitail.

cometary; → tail.

commensurate
  هم مسا   
hammasâ

Fr.: commensurable   

(adj.) Of the same size, extent, or duration as another; proportionate.

L.L. commensuratus, from → com- "together, with" + mensuratus, p.p. of mensurare "to measure," from menusra "measure."

Hammasâ, from ham- "together," → com- + masâ "size, greatness," from Mid.Pers. masây, masâk "size," Av. masah- "size, greatness, length," maz-, masan-, mazant- "great, important," mazan- "greatness, majesty," mazišta- "greatest," cf. Skt. mah-, mahant-, Gk. megas, L. magnus; PIE *meg- "great."

commensurate orbits
  مدارها‌ی ِ هم مسا   
madârhâ-ye hammasâ

Fr.: orbites commensurables   

Of two bodies orbiting around a common barycenter, when the orbital period of one is an exact fraction, for example one-half or two-thirds, of the other.

commensurate; → orbit.

comment
  ۱) هامت؛ ۲) هامتیدن   
1) hâmat; 2) hâmatidan

Fr.: commentaire   

1a) A remark, observation, or criticism (Dictionary.com).
1b) A note in explanation, expansion, or criticism of a passage in a book, article, or the like; annotation (Dictionary.com).
2) To make remarks, observations, or criticisms (Dictionary.com).

M.E. coment, from O.Fr. coment "commentary;" L.L. commentum "comment, interpretation," in classical L. "invention, fiction," from comminisci "to contrive, devise," from → com-, intensive prefix + base of meminisse "to remember," related to mens, → mind.

Hâmat, from hâ-, intensive prefix, variant of ham-, → com-, + mat- "think; thought," from Av. mat- matay- "to think," humat- "good thought;" cf. Skt. matāy-.

commentary
  هامتگان   
hâmatgân

Fr.: commentaire   

1) A series of comments, explanations, or annotations (Dictionary.com).
2) An explanatory essay or treatise (Dictionary.com).

From M.E. commentaries (plural), from L. commentarium "notebook," noun use of neuter of commentarius, from comment(um), → comment, + -arium, → -ary.

Hâmatgân, from hâmat, → comment, + gân suffix forming plural entities, from Mid.Pers. -gânag, -gâna.

commentate
  هامتیدن   
hâmatidan

Fr.: commenter   

To deliver, to write a → commentary on.

Verb from → comment.

commentator
  هامتنده   
hâmatandé

Fr.: commentateur   

1) A person who makes commentaries.
2) A person who discusses news, sports events, weather, or the like, as on television or radio.

Agent noun from → commentate.

commissioning
  راه اندازش   
râhandâzeš

Fr.: rodage   

Putting a telescope or an observing instrument into active service after their final construction.

From L. commissionem "delegation of business," from commissus, p.p. of committere "to bring together," from → com- "together" + mittere "to put, send."

Râhandâzeš, verbal noun from compound verb râhandâxtan "to set in work; to prepare," from râh "way, path" + andâxtan "to cast; to make, do; to throw."

commissioning period
  دوره‌ی ِ راه اندازش   
dowre-ye râhandâzeš

Fr.: période de rodage   

A period during which a newly constructed observing instrument is used for test.

commissioning; → period.

common
  همدار   
hamdâr

Fr.: commun   

Belonging to or shared by two or more or all in question. → common denominator, → least common multiplier.

From M.E. comun, from O.Fr. comun, from L. communis "in common, public, general, shared by all or many," originally "sharing common duties," akin to munia "duties, public duties, functions," from munus "task, duty, gift."

Hamdâr, literally "possessing together, sharing together," from ham-, → com-, + dâr present stem of dâštan "to have, to possess," from Mid.Pers. dâštan, O.Pers./Av. root dar- "to hold, keep back, maitain, keep in mind," Skt. dhr-, dharma- "law," Gk. thronos "elevated seat, throne," L. firmus "firm, stable," Lith. daryti "to make," PIE *dher- "to hold, support."

common denominator
  آنامنگر ِ همدار   
ânâmengar-e hamdâr

Fr.: dénominateur commun   

A quantity into which all the denominators of a set of fractions may be divided without a remainder.

common; → denominator.

common fraction
  برخه‌ی ِ همدار   
barxe-ye hamdâr

Fr.: fraction d'entiers   

A fraction written as a/b where a and b are → positive  → integers, as opposed to a → decimal fraction; for example, 5/7. Common fractions are sometimes also called → vulgar fractions.

common; → fraction.

common logarithm
  لگاریتم ِ دهدهی   
logâritm-e dahdahi

Fr.: logarithme décimal   

The logarithm with → base 10. It is known also as the → decimal logarithm, decadic logarithm, or Briggsian logarithm, after Henry Briggs, an English mathematician who pioneered its use.

common; → logarithm; → decimal.

common year
  سال ِ همدار   
sâl-e hamdâr

Fr.: année commune   

A calendar year which is not a → leap year. In the → Gregorian calendar, a year with 365 days divided into 12 → months, and only 28 days in February. In the → Iranian calendar, a year consisting of 365 days with 12 months, and only 29 days in the month of Esfand.

common; → year.

commonalty
  پاترم   
pâtram (#)

Fr.: peuple, foule   

The ordinary people, as distinguished from those with authority, rank, station, etc.; the common people. Also, commonality (Dictionary.com).

M.E., from M.Fr. comunalte, from comunal- "communal," → common, + -te "-ty," a suffix denoting state, quality, etc.

Mid.Pers. pâtram "common people, commonalty" (MacKenzie), variant pâyram, prefixed from ram "herd, flock," Mod.Pers. ramé "herd, flock."

commonness
  همداری   
hamdâri

Fr.: caractère commun, banalité   

The fact or state of being → common or happening often.

common; → -ness.

commune
  همداره   
hamdâré

Fr.: commune   

1) A small group of persons living together, sharing possessions, work, income, etc., and often pursuing unconventional lifestyles.
2) Any community organized for the protection and promotion of local interests, and subordinate to the state (Dictionary.com).

From M.Fr. commune "free city, group of citizens," from M.L. communia, noun use of neuter plural of L. adj. communis, literally "that which is common," from communis, → common.

Hamdâré, from hamdâr, → common.

communicate
  همدارگندن   
hamdârgandan

Fr.: communiquer   

1a) To impart knowledge of; make known.
1b) To give to another; impart; transmit (as a disease).
2a) To give or interchange thoughts, feelings, information, or the like, by writing, speaking, etc.
2b) To express thoughts, feelings, or information easily or effectively (Dictionary.com).

From L. communicatus, p.p. of communicare "to share, divide out; impart; inform; join, participate in," literally "to make common," from communis, → common.

Hamdârgandan, literally "to diffuse to the public," from hamdâr, → common, + gan, variant kan "to throw, diffuse" (as in parâgan-, parâgandan "to diffuse, disperse, scatter;" afgandan "to throw; to lay, place;" kandan "to dig; to extract"), from Proto-Ir. *kan- "to throw, place, put, disperse, → scatter" + -dan infinitive suffix.

communication
  همدارگنش   
hamdârganeš

Fr.: communication   

1) The act or process of communicating; fact of being communicated.
2) The imparting or interchange of thoughts, opinions, or information by speech, writing, or signs (Dictionary.com).

Verbal noun of → communicate.

communism
  همدارباوری، همدارگرایی   
hamdârbâvari, hamdâgerâyi

Fr.: communisme   

A theory or system of social organization based on the holding of all property in common, actual ownership being ascribed to the community as a whole or to the state (Dictionary.com).

commune; → -ism.

<< < -es -iv -ti 21- a p abe abs abs acc acc acc act act ada adi ads aes Age Alb Alf ali all alp alt ama amp ana ang ang ann ano ant ant ape apo app app arc Arg ari art ass ast ast ast atm ato att Aur aut axi azi bac Bal Bar Bar Bay Bec Ber bet bic bij bin bio Bir bla Bla blu blu bol Boo bou bra Bre bro bug C r cal Cal can car Car Cas cat cau cel cen cer Cha cha Cha che chl cir cir cir Cla cli clo clu co- coc 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 Cop Cor cor cor cos cos Cou cou cow cre cri cro cry cur cut Cyg dam dar dat de deb dec dec ded def deg del dem den dep des det dev dia dif dif dig dio Dir dis dis dis dis dis dis div don dou dow dro dur dwa dyn Dys ear ebb ecl edg egg Ein Ela ele ele ele ele ell eme emp enc eng ent epi equ equ Equ esc eth Eur eve exa exc exe exi exp exp ext ext eye fac fal Far fed fer fer fie fin fir fit fla flo flu fol for for Fou fra fre Fre fro fuz gai Gal Gal gam gas Gau gen gen geo geo geo gia glo gol gra gra gra gra gre gri gui H I hai Ham har Hau hea hec hel hel her HES hie hig his hom hor hot Hub hum Huy hyd hyd hyl hyp ice ide ima imp imp imp inc ind ind ine inf inf inf ini ins ins ins int int int int Int int int int inv ion iro irr iso iso ite jel Jou Jup kao Kep kil Kip Kra Lag Lam lan lar las law lea leg Leo lex lig lim lin lin lin lit Loc loc log Lor low lum lun lun Lym mac mag mag mag mag mag mai Mal mar mas mas mat max mea mec meg men mer met met met mic mic Mik min min mis mob mod mol mon moo mou mul mul mys nan Nat nau nec neo neu nev New NGC no nom non non nor not nuc nuc num nut obj obs obs occ odd OH Ome Oor ope opp opt opt orb ord ori ort osc out ove oxi pai Pan par par par par pas pea pen per per per per Per per pha phl pho pho pho pi pip Pla pla pla pla ple poa pol Pol pol pol pop pos pos pot pra pre pre pre pri pri pri pro pro pro pro pro pro pro Pto pul puz 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 rep res res res res ret Rhe rid rig ris Roe Ros rot rub rut Sag sam sat sca sca Sch sci sea sec sec see sel sem sen ser Sh2 sha shi sho sid sig sim sin Sir ske sli Smo soc sol sol sol sol sol sou spa spa spe spe spe spe sph spi spo Squ sta sta sta sta ste ste ste sto str str str sub sub sub sum sup sup sup sup sur sus sym syn T d tap tec tem ten tes the the the the thi thr tid tim tip ton tor tow tra tra tra tra tri tri tru tub tur two Typ ult un- und uni uni unp upp urg V20 Van var veg vel ver vib vio vir vis Vol Vul wan wat wav WC4 wea wel whi Wil wis WNL wor X-r Yer Z s zer [C > >>