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resonance

/ˈrezənən(t)s/

Resonance is a physical phenomenon where a system vibrates at its highest amplitude when exposed to an external force matching its specific natural frequency. Figuratively, it refers to ideas or emotions that evoke a deep, sympathetic response or lasting connection. Dictionary.com +3

Etymology

• Origin: Dates back to the mid-15th century.
• Roots: From Middle French resonance and directly from the Latin resonantia (meaning “echo” or “reverberation”).
• Ultimate Source: Built from the Latin verb resonare, which combines re- (“again”) and sonare (“to sound”). Literally, it means “to sound again” or “to echo”. Dictionary.com +2

Core Definitions by Field

• Physics & Acoustics: The reinforcement or prolongation of sound (or vibration) caused by sympathetic waves from another body vibrating at nearly the same rate. Merriam-Webster +1
• Electronics: A condition in a circuit where the natural frequency aligns with an incoming signal, causing voltage or current to reach maximum amplitude. Collins Dictionary +1
• Chemistry: The property of molecules whose true structure is a hybrid representation of two or more arrangements with differing electron positions. Wiktionary, the free dictionary +1
• Figurative & Cultural: A deep, rich quality of expression, or an emotional “ringing true” with an audience, as seen in powerful speech or art. Dictionary.com +1

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