1. The period of time taken for the moon to make one full rotation on its axis (about 27.3 sidereal days)

Derived forms: lunar days

Type of: day

Encyclopedia: Lunar day

• order Scandentia
• order Sclerodermatales
• order Scleroparei
• order Scorpionida
• order Scrophulariales
• order Secotiales
• order Selaginellales
• order Siluriformes
• order Siphonaptera
• order Siphonophora
• irritably
• irritant
• irritate
• irritated
• irritatedly
• irritating
• irritatingly
• irritation
• irritative
• irrupt
• irruption
• irruptive
• IRS
• Irtish
• Irtish River