English Dictionary - With Multi-Lingual Search

The condition of being resonant.
Something that evokes an association, or a strong emotion.
(physics) The increase in the amplitude of an oscillation of a system under the influence of a periodic force whose frequency is close to that of the system's natural frequency.
(context, nuclear physics) A short-lived subatomic particle that cannot be observed directly.

- 2004: When experiments with the first "atom-smashers" took place in the 1950s to 1960s, many short-lived heavier siblings of the proton and neutron, known as "resonances", were discovered. " Frank Close, Particle Physics: A Very Short Introduction (Oxford 2004, p. 35)
  1. An increase in the strength or duration of a musical tone produced by sympathetic vibration.
  2. (chemistry) The property of a compound that can be visualized as having two structures differing only in the distribution of electrons.
  (rfc, reword/combine definitions - should be three?)

Etymology: From Old French, resonance (French résonance), from resonantia "echo", from resonare "resound".

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