- A movement of particles in an elastic body, whether solid or fluid, that produces a progression of alternate elevations and depressions, or rarefactions and condensations.
- The elevation of the pulse, felt by the finger or represented in the curved line of the sphygmograph.
- The complete cycle of changes in the level of an energy source that repetitively varies over time; in the electrocardiogram and the electroencephalogram, the wave is essentially a voltage-time graph.
[A.S. wafian, to fluctuate]
See Also: rhythm
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