Oscillation | Mean of oscillation in English Dictionary

/ˌɑːsəˈleɪʃən/

• Noun
• the act of regularly moving from one position to another and back to the original position
1. the continued oscillation of the fan
2. the fan's oscillations
• a frequent change from one state, position, or amount to another
1. the continual oscillation [=(more commonly) fluctuation] of stock prices
2. price/temperature oscillations
• the act of changing from one belief, feeling, etc., to an opposite one
1. There has been oscillation between optimism and pessimism among voters.
2. His friends were alarmed by his oscillations [=(less formally) swings] between hope and despair.

• a single movement from one position or state to another
1. Each oscillation of the pendulum represents one second.