An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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pattern
  الگو  
olgu (#)
Fr.: figure  

  1. A regular or repetitive form, order, or arrangement; a distinctive form. → diffraction pattern; → interference pattern.

  2. In the → density wave model, a region of enhanced stellar density (arm or bar) in the → Galactic disk.
    → pattern speed.

Etymology (EN): M.E. patron, from O.Fr. patron, from M.L. patronus
“patron saint, lord, master, model, pattern,” from pater “father.”

Etymology (PE): Olgu “pattern,” from Turkish ülgü “form, mold, model.”