free return
Astronautics
noun
A return flight of a spacecraft accomplished without significant expenditure of fuel through making use of planetary gravitation; usually attributive.
Origin
1960s.
- livery cupboard
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- livery fish
- livery list
- liveryman
- livery office
- livery of seisin
- livery pot
- livery servant
- livery stable
- livery table
- livery tavern
- livery yard
- lives
- live sheep trade
- live something down
- live something out
- live steam
- livestock
- square cut
- square dance
- square dancer
- square deal
- square dinkum
- square-eyed