different between resonance vs delocalization

English

resonance on Wikiversity.Wikiversity

Etymology

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

Pronunciation

• (UK) IPA^(key): /???z?n?ns/

Noun

resonance (countable and uncountable, plural resonances)

1. The quality of being resonant.
2. 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. (figuratively) Something that evokes an association, or a strong emotion.
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.
6. (nuclear physics) A short-lived subatomic particle or state of atomic excitation that results from the collision of atomic particles.
   • 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)
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; mesomerism.
9. (astronomy) A 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.

Related terms

• resonate
• resonator
• resonant

Translations

Anagrams

• noncrease

Old French

Etymology 1

Latin resonantia (“echo”), from reson? (“I resound”).

Noun

resonance f (oblique plural resonances, nominative singular resonance, nominative plural resonances)

1. resonance

Etymology 2

resoner (“to reason”) +? -ance.

Noun

resonance f (oblique plural resonances, nominative singular resonance, nominative plural resonances)

1. reason (logic, thinking behind an idea or concept)

References

• Godefroy, Frédéric, Dictionnaire de l'ancienne langue française et de tous ses dialectes du IX^e au XV^e siècle (1881) (resonance)

English

Etymology

de- +? localization

Pronunciation

• (UK) IPA^(key): /di??l??k?la??ze???n/

Noun

delocalization (countable and uncountable, plural delocalizations)

1. the process of delocalizing or the fact of being delocalized
2. (chemistry) the phenomenon in which bonding electrons of some molecules serve to bind several atoms instead of just two; it is observed in metals and in aromatic and conjugated organic compounds

Translations

See also

• resonance