(medicine) Secret; hidden from general knowledge; undetected. / Related to the occult; pertaining to mysticism, magic, or astrology. / Esoteric.

(transitive, astronomy) To cover or hide from view. / (transitive, rare) To dissimulate, conceal, or obfuscate.

(usually with "the") Supernatural affairs.

(astronomy) An astronomical event that occurs when one celestial object is hidden by another celestial object that passes between it and the observer when the nearer object appears larger and completely hides the more distant object.

The study of the supernatural / A belief in occult powers and the hope of controlling them

(transitive) To make occult or hidden.

plural of occultation

plural of occultism

present participle of occult

Any object, natural or man-made, that blocks the light of an object from an observer, typically used in reference to astronomical events.