S wave


noun Geology.

a transverse earthquake wave that travels through the interior of the earth and is usually the second conspicuous wave to reach a seismograph.
Also called secondary wave.
Compare L wave, P wave.

Medical definitions for s wave

S wave

n.

A downward deflection of the QRS complex in an electrocardiogram following an R wave.

Scientific definitions for s wave

S wave

See secondary wave.