advective region

(Obsolete;

also called advection region, advection layer, advective layer.) The region of the atmosphere just above the tropopause, that is, the stratosphere.
This term arose from the fact that this part of the atmosphere is relatively more stable than the troposphere, so that temperature changes at a point in it occur primarily by means of advection rather than by convection.

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1. A gaseous envelope gravitationally bound to a celestial body (e.g., a planet, its satellite, or a star).