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| | | #REDIRECT [[Thermal]] |
| #REDIRECT [[thermal]] | |
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| {{TermHeader}}
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| <div class="termentry">
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| <div class="term">
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| == thermal ==
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| #<div class="definition"><div class="short_definition">Pertaining to [[temperature]] or [[heat]].</div><br/> </div>
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| #<div class="definition"><div class="short_definition">A discrete buoyant element in which the [[buoyancy]] is confined to a limited volume of fluid.</div><br/> <div class="paragraph"><br/>''See'' [[plume]].</div><br/> </div>
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| #<div class="definition"><div class="short_definition">A relatively small-scale, rising current of air produced when the [[atmosphere]] is heated enough locally by the earth's surface to produce [[absolute instability]] in its lowest [[layers]].</div><br/> <div class="paragraph">The use of this term is usually reserved to denote those currents either too small and/or too dry to produce convective clouds; thus, thermals are a common [[source]] of low-level [[clear-air turbulence]]. It is generally believed that the term originated in glider flying, and it is still very commonly used in this reference.</div><br/> </div>
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| {{TermIndex}}
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| [[Category:Terms_T]]
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