zone of avoidance zonâr-e parhiz Fr.: zone d'évitement, zone vide The region on the sky covered by the plane of the → Milky Way. It is characterized by an apparent absence of galaxies, due to the obscuring effect of → interstellar dust in the → Galactic plane. → zone; M.E. avoiden, from Anglo-Fr. avoider "to clear out, withdraw (oneself)," from O.Fr. esvuider "to empty out," from es- "out" + vuidier "to be empty" (→ void) + -ance. Zonâr, → zone; parhiz "avoidance, abstinence," from parhizidan, parhixtan "to restrain onself, to abstain;" Mid.Pers. pahrêc "preservation, protection, guard," pahrêxtan "to protect, to take care of." |