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
