Noun

The condition of being resonant.

* {{quote-news

, year=2012 , date=May 24 , author=Nathan Rabin , title=Film: Reviews: Men In Black 3 , work=The Onion AV Club citation , page= , passage=But the film is largely redeemed by an unexpected emotional resonance befitting a Steven Spielberg production.}}

A resonant sound, echo

(figuratively) 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.

(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)

An increase in the strength or duration of a musical tone produced by sympathetic vibration.

(chemistry) The property of a compound that can be visualized as having two structures differing only in the distribution of electrons.

Noun

(en noun)

(prosody) The repetition of consonant sounds, but not vowels as in assonance.

(chiefly, music) harmony; agreement; lack of discordance

* Tyndall

The optic nerve responds to the waves with which it is in consonance .