convection zone

collocation in English

meaningsofconvectionandzone

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withconvection.
convection
noun[U]
uk
/kənˈvek.ʃən/us
/kənˈvek.ʃən/
the flow of heat through a gas or ...
See more atconvection
zone
noun[C]
uk
/zəʊn/us
/zoʊn/
an area, especially one that is different from the areas around it because it has different characteristics or is used for ...
See more atzone

(Definition ofconvectionandzonefrom theCambridge English Dictionary© Cambridge University Press)

Examplesofconvection zone

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
It is most likely that the sense of the twist is associated with the solar dynamo and physical conditions in theconvectionzone.
From theCambridge English Corpus
Solar pressure waves are believed to be generated by the turbulence in theconvectionzonenear the surface of the sun.
From
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This may be caused by the disappearance of a heliumconvectionzonenear the surface.
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Thus, if theconvectionzoneof a main sequence star carries lithium to the core region, the abundance of lithium in the star can decrease.
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This combination of circumstances produces an outerconvectionzone, the top of which is visible in the sun as solar granulation.
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The surfaceconvectionzoneextends downward to about 43.1% of the star's radius, but only contains 4.8% of the star's mass.
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From 0.3 to 1.2 solar masses, the region around the stellar core is a radiation zone, separated from the overlyingconvectionzoneby the tachocline.
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That is, most if not all of the star forms an extendedconvectionzone.
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Consequently, there is a high temperature gradient in the core region, which results in aconvectionzonefor more efficient energy transport.
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Above that are the outer layers that form aconvectionzonewhere the gas material transports energy primarily through physical displacement of the gas.
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These form a visible component of magnetic flux tubes that are formed within a star'sconvectionzone.
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The lack of a deepconvectionzonewould mean that the outer layers would retain higher abundance ratios of these heavy elements.
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It is believed that thisconvectionzonecreates the magnetic activity that generates sun spots.
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Therefore, the core region forms aconvectionzonethat uniformly mixes the hydrogen fuel with the helium product.
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The region of the star in which this happens is theconvectionzone.
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The coreconvectionzoneof these stars is overlaid by a radiation zone that is in thermal equilibrium and undergoes little or no mixing.
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As a result, the core region becomes aconvectionzone, which stirs the hydrogen burning region and keeps it well mixed with the surrounding proton-rich region.
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Those layers where convection is more effective than radiative diffusion at transporting energy, thereby creating a lower temperature gradient, will become convection zones.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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See other collocations withconvection