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单词 perilune
释义

Definition of perilune in English:

perilune

noun ˈpɛrɪluːnˈpɛrəˌlun
mass noun
  • The point at which a spacecraft in lunar orbit is closest to the moon.

    The opposite of apolune
    Example sentencesExamples
    • SMART - 1 reached its closest point to the lunar surface so far - its first ‘perilune’ - at an altitude of about 5000 kilometres at 18: 48 Central European Time on 15 November.

Origin

1960s: from peri- 'around' + Latin luna 'moon', on the pattern of perigee.

 
 

Definition of perilune in US English:

perilune

nounˈperəˌlo͞onˈpɛrəˌlun
  • The point at which a spacecraft in lunar orbit is closest to the moon.

    The opposite of apolune
    Example sentencesExamples
    • SMART - 1 reached its closest point to the lunar surface so far - its first ‘perilune’ - at an altitude of about 5000 kilometres at 18: 48 Central European Time on 15 November.

Origin

1960s: from peri- ‘around’ + Latin luna ‘moon’, on the pattern of perigee.

 
 
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更新时间:2024/12/23 21:12:56