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Bel

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LampPro Tip 1/3
Sound MeasurementPlay
Bel is rarely used alone; its decimal subdivision 'decibel' is more common for measuring sound. SlideHer piano playing peaked at 70 decibels, not bels.
LampPro Tip 2/3
Technical ContextPlay
Use 'bel' in technical or scientific discussions about acoustics or electronics. SlideThe signal-to-noise ratio is often measured in bels.
LampPro Tip 3/3
Practical ScalePlay
Understand 'bel' as a logarithmic scale; each increase of 1 bel means a sound is ten times louder. SlideA rock concert can be 3 to 4 bels louder than a vacuum cleaner.