A chamber whose dimensions allow sound to echo and build up. / A similar chamber that allows resonance of electromagnetic waves.

A chamber in a musical instrument for increasing its sonority.

plural of resonance box

The peculiar high-pitched quality of sound produced by percussion over the intestines, etc. when they contain air.

plural of Schumann resonance

Any of a set of spectrum peaks in the extremely low-frequency (ELF) portion of the Earth's electromagnetic field spectrum, generated and excited by lightning discharges in the cavity formed by the Earth's surface and the ionosphere.

plural of resonating chamber

plural of resonance hybrid

plural of resonance energy

(physics) The absorption of radiation by species having unpaired electrons when placed in a magnetic field that is used spectroscopically to detect and study free radicals