1. the blocking of light from one celestial body by another, such as when the moon passes in front of a star
Usage: astronomy
2. the act of hiding or concealing something from view
Usage: formal

Examples

• The occultation of the bright star lasted for several minutes.
• Astronomers predicted the exact time of the lunar occultation.
• The satellite’s occultation by Jupiter provided valuable data.
• Scientists observed the occultation through powerful telescopes.
• The occultation of evidence hindered the investigation.
• Medieval texts often discussed the occultation of mystical knowledge.