名詞 occultation:

1. one celestial body obscures another
   同義詞：eclipse

1. A lunar occultation of a quasar.
   類星體的月星掩測定

oc.cul.ta.tion

n.（名詞）
The act of occulting or the state of being occulted.
隱伏：掩蔽的行為或被蔭蔽的狀態(tài)
Astronomy
【天文學(xué)】
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.
掩星現(xiàn)象：天體運行穿過觀察者和另一天體連線，如日食時，月球移動到地球和太陽之間
The progressive blocking of light, radio waves, or other radiation from a celestial source during such a passage.
星掩：在上述運行中，從一天體源發(fā)出的光，無線電波或其它射線被逐漸掩蔽
An observational technique for determining the position or radiant structure of a celestial source so occulted:
掩星法：一種觀測技術(shù)，用來測定在星掩情況下一天體的方位或射線結(jié)構(gòu)：
例句：
a lunar occultation of a quasar.
類星體的月星掩測定

來源：
Middle English occultacion
中古英語 occultacion
from Latin occult3tiô occult3tiôn-
源自 拉丁語 occult3tiô occult3tiôn-
from occult3tus [past participle of] occult3re [frequentative of] occulere [to conceal] * see occult
源自 occult3tus [] occult3re的過去分詞 [] occulere的重復(fù)動詞 [隱藏] *參見 occult