Definitions for S-wave
s-wave

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1. S-wavenoun

   A transverse, shear wave, such as that produced by an earthquake. Movement is transverse to the direction of propagation and is a body wave

2. Etymology: From "secondary wave" or "shear wave"

WikipediaRate this definition:0.0 / 0 votes

1. s-wave

   In seismology and other areas involving elastic waves, S waves, secondary waves, or shear waves (sometimes called elastic S waves) are a type of elastic wave and are one of the two main types of elastic body waves, so named because they move through the body of an object, unlike surface waves.S waves are transverse waves, meaning that the direction of particle motion of a S wave is perpendicular to the direction of wave propagation, and the main restoring force comes from shear stress. Therefore, S waves cannot propagate in liquids with zero (or very low) viscosity; however, they may propagate in liquids with high viscosity.The name secondary wave comes from the fact that they are the second type of wave to be detected by an earthquake seismograph, after the compressional primary wave, or P wave, because S waves travel more slowly in solids. Unlike P waves, S waves cannot travel through the molten outer core of the Earth, and this causes a shadow zone for S waves opposite to their origin. They can still propagate through the solid inner core: when a P wave strikes the boundary of molten and solid cores at an oblique angle, S waves will form and propagate in the solid medium. When these S waves hit the boundary again at an oblique angle, they will in turn create P waves that propagate through the liquid medium. This property allows seismologists to determine some physical properties of the Earth's inner core.

WikidataRate this definition:3.0 / 4 votes

1. S-wave

   A type of elastic wave, the S-wave, secondary wave, or shear wave is one of the two main types of elastic body waves, so named because they move through the body of an object, unlike surface waves. The S-wave moves as a shear or transverse wave, so motion is perpendicular to the direction of wave propagation: S-waves are like waves in a rope, as opposed to waves moving through a slinky, the P-wave. The wave moves through elastic media, and the main restoring force comes from shear effects. These waves do not diverge, and they obey the continuity equation for incompressible media: Its name, S for secondary, comes from the fact that it is the second direct arrival on an earthquake seismogram, after the compressional primary wave, or P-wave, because S-waves travel slower in rock. Unlike the P-wave, the S-wave cannot travel through the molten outer core of the Earth, and this causes a shadow zone for S-waves opposite to where they originate. They can still appear in the solid inner core: when a P-wave strikes the boundary of molten and solid cores, called the Lehmann discontinuity, S-waves will then propagate in the solid medium. And when the S-waves hit the boundary again they will in turn create P-waves. This property allows seismologists to determine the nature of the inner core.

Anagrams for S-wave »

1. waves

How to pronounce S-wave?

1. Alex

   US English

   David

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   Mark

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   Daniel

   British

   Libby

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   Mia

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   Karen

   Australian

   Hayley

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   Neerja

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   British

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   South African

How to say S-wave in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of S-wave in Chaldean Numerology is: 3

2. Pythagorean Numerology

   The numerical value of S-wave in Pythagorean Numerology is: 7

Examples of S-wave in a Sentence

1. Salim Virani:

   We are definitely facing a big wave of cardiovascular disease in our nation and we really need to treat it by both lifestyle therapies as well as medications when indicated.

2. Edo Banach:

   It is difficult to hear that someone is discontinuing treatment and a wave of sadness is going over Facebook, but hospice is not giving up, the reality is, people who chose hospice often live longer, and it's more of a holistic kind of care that provides social work and chaplaincy and support for the family and all those additional things that the hospital system doesn't really provide.

3. Padraig Harrington:

   If I won it (Masters) and went back every year, I’d be happy to wave to the crowd, it is nice to be back, no doubt. It reminds me of my good performance at the PGA — I’m there by merit. It’s nice in that sense. But I’m not a guy into the sentimentality of it.

4. Eileen Youtie:

   What I'm doing is personalized cancer treatment. It's the wave of the future, part of this is trying to eliminate chemos that are not going to work on me. I don't want to waste time taking them and poison my body.

5. Antony Blinken:

   We need to become much better at anticipating the foreign policy implications of the next wave of innovation, and the wave after that. I want us to shape the strategic tech landscape, not just react to it.

References

1. ^ Wiktionary
   https://en.wiktionary.org/wiki/S-Wave
2. ^ Wikipedia
   https://en.wikipedia.org/wiki/S-Wave
3. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=S-wave