O1C3C3U1L1T1A1T1I1O1N1
15 points
OCCULTATION is validvalid
the act of occulting [n OCCULTATIONS]
a concealing, esp. of one of the heavenly bodies by another [n -S]
the act of occulting [n OCCULTATIONS]
a concealing, esp. of one of the heavenly bodies by another [n -S]