occultation
/ˌä-(ˌ)kəl-ˈtā-shən/ (ame, mw)
occultation — noun
1. a period when something is screened from sight or fades from people's notice
a period when something is screened from sight or fades from people's notice
Morning fog caused the occultation of the bridge across the bay.
occultation of + visible object
Apinya described the cloud's sudden occultation of the mountain peak.
Years of silence led to the occultation of her role in the protest.
The statue's occultation behind bamboo made the garden path feel secret.
- concealment
often suggests deliberate hiding by someone
- obscuring
stresses the blocking action more than the resulting state
- screening
often refers to a physical barrier rather than wider public notice
- revelation
focuses on something becoming known or visible
- exposure
stresses bringing something into open view
用法筆記
Usually formal. It often appears in writing about something being screened by fog, cloud, trees, or later events that push it out of public attention.
常見錯誤
2. an event in space when one body passes in front of another and cuts off its ligh
an event in space when one body passes in front of another and cuts off its light or a spacecraft signal
Tonight's occultation of Mars by the moon will last six minutes.
occultation of + planet by the moon
Christopher stayed up to record the occultation with his school telescope.
The team measured signal loss during the spacecraft's occultation behind Venus.
Astronomy clubs shared maps showing where the occultation would be visible.
- eclipse
more common for sun or moon darkening, and not always the same event type
用法筆記
Used in astronomy and space science. The blocking body is often named with by, behind, or after the main noun phrase, as in occultation of Mars by the moon.