occultation noun. [ɒk(ǝ)l'teɪʃ(ǝ)n] LME.
[French, or Latin occultatio(n-), from occultare: see OCCULT verb, -ATION.]
1. Orig., hiding, concealment. Now (Science), the fact of being cut off from view, esp. by something interposed; Astronomy the concealment of a celestial body by an apparently larger body passing between it and the observer. LME.

2. fig. Disappearance from view or notice. E19.

[TahlilGaran] English Dictionary ▲