Occultation Definition

ŏkŭl-tāshən
occultations
noun
occultations
The act of occulting or the state of being occulted.
American Heritage
The state of becoming hidden or of disappearing from view.
Webster's New World
The disappearance of a celestial body behind a closer, apparently larger celestial body.
Webster's New World
The progressive blocking and unblocking of light or other electromagnetic radiation from a celestial source during such a passage.
A lunar occultation of a quasar; a planetary occultation of a star.
American Heritage
An observational technique for determining the position or radiant structure of a celestial source undergoing such occultation or of the object causing the occultation.
American Heritage
Synonyms:
eclipse
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Other Word Forms of Occultation

Noun

Singular:
occultation
Plural:
occultations

Origin of Occultation

  • Middle English occultacion from Latin occultātiō occultātiōn- from occultātus past participle of occultāre frequentative of occulere to conceal occult

    From American Heritage Dictionary of the English Language, 5th Edition

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