S wave

noun

Definition of S wave

: 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

First Known Use of S wave

1913, in the meaning defined above

History and Etymology for S wave

secondary

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The first known use of S wave was in 1913

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Cite this Entry

“S wave.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/S%20wave. Accessed 23 Nov. 2020.

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More Definitions for S wave

S wave

noun
\ ˈes-ˌ How to pronounce S wave (audio) \

Medical Definition of S wave

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

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