occultation

n. 掩蔽, 遮掩, 掩星

oc.cul.ta.tion

n.（名词）
The act of occulting or the state of being occulted.
隐伏：掩蔽的行为或被荫蔽的状态
Astronomy
【天文学】
The passage of a celestial body across a line between an observer and another celestial object, as when the moon moves between the earth and the sun in a solar eclipse.
掩星现象：天体运行穿过观察者和另一天体连线，如日食时，月球移动到地球和太阳之间
The progressive blocking of light, radio waves, or other radiation from a celestial source during such a passage.
星掩：在上述运行中，从一天体源发出的光，无线电波或其它射线被逐渐掩蔽
An observational technique for determining the position or radiant structure of a celestial source so occulted:
掩星法：一种观测技术，用来测定在星掩情况下一天体的方位或射线结构：
例句：
a lunar occultation of a quasar.
类星体的月星掩测定


来源：
Middle English occultacion
中古英语 occultacion
from Latin occult3tiô occult3tiôn-
源自 拉丁语 occult3tiô occult3tiôn-
from occult3tus [past participle of] occult3re [frequentative of] occulere [to conceal] * see occult
源自 occult3tus [] occult3re的过去分词 [] occulere的重复动词 [隐藏] *参见 occult