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: 224
write
  نوشتن   
neveštan (#)

Fr.: écrire   

To trace or form (letters, words, or other symbols) on a surface, typically paper, with a pen, pencil, or other similar instrument.

M.E. writen, O.E. writan "to score, outline, draw," later "to set down in writing;" cf. O.Frisian writa "to write," O.Saxon writan "to tear, scratch, write," O.Norse rita "write, scratch," O.H.G. rizan "to write, scratch, tear," Ger. reissen "to tear, pull, sketch, draw."

Neveštan, nevis- "to write," variants Kurd. (Sor.) nus, nusen, Lori nisane "to write," Kurd. (Kurm.) âvîtin, âvêntin, (Sor.) havîštin, hâvîtin "to compose (a song), to change (color);" Mid.Pers. (+ → ni-) nibištan, nebês- "to write," pēsīdan "to adorn;" O.Pers. pais- "to cut, adorn, engrave;" Av. paēs- "to paint, adorn," paēsa- "adornment;" cf. Skt. piśáti "adorns; cuts;" Gk. poikilos "multicolored;" L. pingit "embroiders, paints;" O.C.S. pisati "to write;" O.H.G. fēh "multicolored;" Lith. piēšti "to draw, adorn;" PIE base *peik- "colored, speckled."

wrong
  نادرست   
nâdorost (#)

Fr.: faux   

1) Not in accordance with what is morally right or good: a wrong deed.
2) Deviating from truth or fact; erroneous: a wrong answer.
3) Not correct in action, judgment, opinion, method, etc., as a person; in error (Dictionary.com).
See also: → false, → invalid.

M.E. wrong, wrang, O.E. wrang "twisted, crooked," from O.N. rangr "crooked, wry, wrong;" cf. Dan. vrang "crooked, wrong," Du. wrang "sour, bitter."

Nâdorost, from nâ- "not," → a-, + dorost, → right.

Wronskian
  ورونسکی   
Wronski

Fr.: Wronskien   

The → determinant of order n associated with a set of n functions, in which the first row consists of the functions, the second row consists of the first → derivatives of the functions, the third row consists of their second derivatives, and so on. For example, If y1 and y2 are functions of x, the determinant W(y1,y2) = y1 . y2' - y1' . y2 is called the Wronskian of the given function.

Named after the Polish mathematician Józef Hoene-Wroński (1776-1853).

WZ Sagittae
   WZ نیم‌اسب   
WZ nimasp

Fr.: WZ Sagittae   

The prototype of a subclass of → dwarf novae with an extremely long outburst period, comparable with that of a → recurrent nova.

variable star designation; → Sagittarius.

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