oc·cul·ta·tion /ˌɑ(ˌ)kəlˈteʃən/
 掩蔽,消失,躲藏


 Oc·cul·ta·tion n.
 1. Astron. The hiding of a heavenly body from sight by the intervention of some other of the heavenly bodies; -- applied especially to eclipses of stars and planets by the moon, and to the eclipses of satellites of planets by their primaries.
 2. (Fig.:) The state of being occult.
    The reappearance of such an author after those long periods of occultation.   --Jeffrey.
 Circle of perpetual occultation. See under Circle.

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 occultation
      n : one celestial body obscures another [syn: eclipse]