An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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radiant
  ۱) تابنده، تابشی؛ ۲) تابسر  
1) tâbandé, tâbeši; 2) tâbsar
Fr.: radiant  

  1. Sending out rays of light; bright; shining.

    See also: → radiant energy, → radiant flux, → radiant intensity.

  2. The point in the sky from which → meteors
    in a → meteor shower appear to radiate or come. See also: → radiant drift.

Etymology (EN): M.E., from M.Fr. radiant, from L. radiantem (nominative radians) “shining,” pr.p. of radiare “to shine, radiate,” → radiation.

Etymology (PE): 1) Tâbandé, tâbeši adj. from tâbidan,
→ radiate.
2) Tâbsar, from tâb “light, radiation,” → radiation,

  • sar “head, top, summit, point,” → head.