S wave

noun

Definition of S wave

  1. :  a wave (as from an earthquake) in which the propagated disturbance is a shear in an elastic medium (such as the earth) — compare pressure wave

Origin and Etymology of s wave

secondary


First Known Use: 1913


Medical Dictionary

S wave

play
noun \ˈes-ˌ\

Medical Definition of S wave

  1. :  the negative downward deflection in the QRS complex of an electrocardiogram that follows the R wave

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