Sinhala Dictionary definitions for orrery
orrery 🔊 /ɔˈɹɚi/
orrery : සූර්ය පංති යන්ත්රය
orrery definition
Noun. An apparatus which illustrates, by the revolution of balls moved by wheelwork, the relative size, periodic motions, positions, orbits, etc., of bodies in the solar system.