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sidelevers
sidelight
sideline
sidelock
sidelong
sideman
sidepiece
sider-
sidereal
sidereal day
sidereal hour
sidereal month
sidereal period
sidereal time
sidereal year
siderite
sidero-
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sidereal

si·de·re·al [ sī dree əl ]


adjective 
Definition:
 
relating to stars: relating to the stars, especially measured with reference to the apparent motion of the stars

[Mid-17th century. < Latin sidereus< sidus "star"]
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