resonance

Etymology

From Old French resonance (French résonance), from Latin resonantia (“echo”), from resonō (“I resound”).

noun

1. (uncountable) The quality of being resonant.
2. (countable) A resonant sound, echo, or reverberation, such as that produced by blowing over the top of a bottle.
3. (medicine) The sound produced by a hollow body part such as the chest cavity upon auscultation, especially that produced while the patient is speaking.
4. (figurative) Something that evokes an association, or a strong emotion; something that strikes a chord.
   emotional resonance
   But the film is largely redeemed by an unexpected emotional resonance befitting a Steven Spielberg production. May 24, 2012, Nathan Rabin, “Film: Reviews: Men In Black 3”, in The Onion AV Club
   The whole recognition process has a deep colonial resonance. [title] 2017-10-27, Paul Daley, “The whole recognition process has a deep colonial resonance”, in The Guardian
   For audiences, all these shows mean a chance to revisit a story that still chimes loudly, and to see whether, as many suspect, it will have a more chilling resonance in the winter of 2022. 2022-11-13, Vanessa Thorpe, “‘It has added political resonance this year’: why Charles Dickens’s A Christmas Carol still strikes a chord”, in The Guardian
5. (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.
   One of the most important developments beyond the original concept of magnetic resonance is so-called double resonance in which, as the name suggests, one excites one resonant transition of a system while simultaneously monitoring a different transition. 2013, Charles P. Slichter, Principles of Magnetic Resonance, Springer Science & Business, page 217
6. (nuclear physics) A short-lived subatomic particle or state of atomic excitation that results from the collision of atomic particles.
   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. 2004, Frank Close, Particle Physics: A Very Short Introduction, Oxford, page 35
7. An increase in the strength or duration of a musical tone produced by sympathetic vibration.
8. (chemistry) The property of a compound that can be visualized as having two structures differing only in the distribution of electrons.
9. (astronomy) An influence of the gravitational forces of one orbiting object on the orbit of another, causing periodic perturbations.
10. (electronics) The condition where the inductive and capacitive reactances have equal magnitude.
11. (sociology) A quality of human relationship with the world.
    Resonance is a kind of relationship to the world, formed through affect and emotion, intrinsic interest, and perceived self-efficacy, in which subject and world are mutually affected and transformed. 2019 [2016], James Wagner, transl., Resonance, John Wiley & Sons, translation of Resonanz by Hartmut Rosa