occultation

noun
oc·​cul·​ta·​tion | \ ˌä-(ˌ)kəl-ˈtā-shən How to pronounce occultation (audio) \

Definition of occultation

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 In Los Angeles, for instance, the occultation will begin at 3:38 a.m. and end at 4:29 a.m. New York Times, "Watch Mars Disappear Behind the Moon in the Early Morning Sky," 17 Feb. 2020 By combining their new data with a historical catalog of around 160 transits and occultations, Yee says, the team showed that both events are happening earlier and earlier—a nearly sure sign that the planet’s path shrinks with each new orbit. Charlie Wood, Popular Science, "This pitch-black exoplanet is spiraling toward its doom," 2 Jan. 2020 This rare celestial alignment is known as an occultation. Editors, USA TODAY, "Boy Scouts files for bankruptcy, Harvey Weinstein trial goes to jury, Nevada debate deadline: 5 things to know Tuesday," 18 Feb. 2020 The company is marketing that data, known as radio occultation, to NOAA and international agencies as a way to improve their forecasts or eliminate the need for their own larger, more expensive satellites. Andrew Freedman, Anchorage Daily News, "The weather is big business, and it’s veering toward a collision with the federal government," 3 Dec. 2019 The company is marketing that data, known as radio occultation, to NOAA and international agencies as a way to improve their forecasts or eliminate the need for their own larger, more expensive satellites. Andrew Freedman, Anchorage Daily News, "The weather is big business, and it’s veering toward a collision with the federal government," 3 Dec. 2019 The company is marketing that data, known as radio occultation, to NOAA and international agencies as a way to improve their forecasts or eliminate the need for their own larger, more expensive satellites. Andrew Freedman, Anchorage Daily News, "The weather is big business, and it’s veering toward a collision with the federal government," 3 Dec. 2019 That data, gathered using a technique called radio occultation, can gauge atmospheric temperature, moisture and pressure. Eric Niiler, Wired, "What's in the Forecast: Private Weather Predictions," 28 Dec. 2019 The company is marketing that data, known as radio occultation, to NOAA and international agencies as a way to improve their forecasts or eliminate the need for their own larger, more expensive satellites. Andrew Freedman, Anchorage Daily News, "The weather is big business, and it’s veering toward a collision with the federal government," 3 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'occultation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of occultation

15th century, in the meaning defined at sense 1

History and Etymology for occultation

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

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Time Traveler for occultation

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

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Statistics for occultation

Last Updated

17 Apr 2020

Cite this Entry

“Occultation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/occultation. Accessed 6 Jun. 2020.

More from Merriam-Webster on occultation

Britannica English: Translation of occultation for Arabic Speakers

Britannica.com: Encyclopedia article about occultation

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