occultation

noun

oc·​cul·​ta·​tion ˌä-(ˌ)kəl-ˈtā-shən How to pronounce occultation (audio)
1
: the state of being hidden from view or lost to notice
2
: 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

Examples of occultation in a Sentence

Recent Examples on the Web
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On January 13, an occultation/eclipse of Mars by the full moon will be visible across North America. Joe Rao, Space.com, 24 Dec. 2024 This ultra-rare occultation will be visible from most of the United States, but your time will vary slightly by your location. Dean Regas, The Enquirer, 19 Dec. 2024 December closes 2024 with a bang, including meteor showers, lunar occultations, and the winter solstice. Stephanie Vermillion, Travel + Leisure, 2 Dec. 2024 The moon and Saturn will hang high enough in the sky here for stargazers to see the lunar occultation (when the moon passes in front of) the ringed planet. Stephanie Vermillion, Travel + Leisure, 2 Dec. 2024 See all Example Sentences for occultation 

Word History

Etymology

Middle English occultacion, borrowed from Latin occultātiōn-, occultātiō "concealment, interruption of light from a celestial body," from occultāre "to prevent from being seen, conceal, keep secret" + -tiōn- -tiō, suffix of verbal action — more at occult entry 1

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of occultation was in the 15th century

Dictionary Entries Near occultation

Cite this Entry

“Occultation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/occultation. Accessed 2 Jan. 2025.

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