Definition of perilune in English:

perilune

Syllabification: per·i·lune
Pronunciation: /ˈperiˌlo͞on
 
/

noun

The point at which a spacecraft in lunar orbit is closest to the moon. The opposite of apolune.
More example sentences
  • 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:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day antebellum
Pronunciation: ˌantɪˈbɛləm
adjective
occurring or existing before a particular war…