(chemistry) A compound for which no simple structure can be written, but which actually has a structure midway between two simple ones - normally one polar and one nonpolar.

(physics) The characteristic energy at which the amplitude of a system undergoing resonance is enhanced.

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 resonance hybrid

plural of resonance energy

plural of resonance box

A chamber in a musical instrument for increasing its sonority.

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

(medicine) A technique that uses nuclear magnetic resonance to form cross sectional images of the human body for diagnostic purposes.