frequency band (n.)

• amplitude
• antinode
• band
• channel
• crest
• diffraction
• fluctuation
• frequency
• interference
• libration
• light
• node
• nutation
• oscillation
• period
• periodicity
• ray
• reinforcement
• resonance
• trough
• vacillation
• vibrancy
• vibration
• wave
• wavelength
• wavering