1. regular back-and-forth movements or variations between two points, states, or conditions
Usage: physics; technical
2. repeated changes between different opinions, decisions, or emotional states

Examples

• The pendulum’s oscillations gradually slowed down due to friction.
• Scientists measured the oscillations of the earthquake waves.
• The stock market showed wild oscillations throughout the day.
• Her mood oscillations made it difficult to predict her reactions.
• The oscillations in temperature affected the experiment’s results.
• Political oscillations between parties have characterized recent elections.
• The bridge’s oscillations in strong winds concerned the engineers.