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

Origin and Etymology of s wave

secondary


Medical Dictionary

S wave

noun \ ˈes-ˌ \

medical Definition of S wave

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

Learn More about s wave


Seen and Heard

What made you want to look up S wave? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to fill with foolish love or admiration

Get Word of the Day daily email!

Test Your Vocabulary

Words Used by Nabokov Quiz

  • image1676440788
  • Choose the best definition or synonym for the word in bold: "There are some eructations that sound like cheers—at least, mine did." Lolita
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!