resonance
noun
[ ˈrɛz(ə)nəns ]
• the quality in a sound of being deep, full, and reverberating.
• "the resonance of his voice"
• the reinforcement or prolongation of sound by reflection from a surface or by the synchronous vibration of a neighbouring object.
• the condition in which an electric circuit or device produces the largest possible response to an applied oscillating signal.
• the occurrence of a simple ratio between the periods of revolution of two bodies about a single primary.
• the property of having a molecular structure which cannot adequately be represented by a single structural formula but is a composite of two or more structures of higher energy.
• a short-lived subatomic particle that is an excited state of a more stable particle.
Origin:
late Middle English: from Old French, from Latin resonantia ‘echo’, from resonare ‘resound’ (see resonant).
