Submitted by György Chityil ... on Fri, 01/19/2018 - 18:19 Hierarchy: InitialismDescription: {{US|space science}} lunar orbit insertion — NASA terminology for a spacecraft maneuver to enter into orbit around the Moon.Ngram: LOINgram Text: LOISource: WiktionaryIssue: 0Wiktionary tag: space scienceNgram Count: 1