1. in a manner that follows or resembles a sine wave pattern; with smooth, regular oscillations
Usage: mathematics; physics; engineering

Examples

• The voltage varies sinusoidally with time in an AC circuit.
• The pendulum swings sinusoidally back and forth.
• Ocean waves move sinusoidally across the surface.
• The signal oscillates sinusoidally at a frequency of 60 Hz.
• Temperature changes sinusoidally throughout the day.
• The spring compresses and extends sinusoidally when vibrating.