1. to resound; to sound again; vibe.
2. to act as a resonator; exhibit resonance.
3. Electronics: to reinforce oscillations because the natural frequency of the device is the same as the frequency of the source.
4. to amplify vocal sound by the sympathetic vibration of air in certain cavities and bony structures.
Etymology: Latin resonātus, past participle of resonāre – to resound.
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