noun oc·cul·ta·tion \ˌä-(ˌ)kəl-ˈtā-shən\

Definition of OCCULTATION

:  the state of being hidden from view or lost to notice
:  the interruption of the light from a celestial body or of the signals from a spacecraft by the intervention of a celestial body; especially :  an eclipse of a star or planet by the moon

First Known Use of OCCULTATION

15th century


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