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“heterosphere”
In meteorology, the upper of two portions of the atmosphere: The heterosphere is distinguished by the general homogeneity of its composition and begins at 80 to 100 kilometers above the Earth.
It closely coincides with the ionosphere and the thermosphere, and is characterized by variation in composition and mean molecular weight of constituent gases.
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heter-, hetero-
(page 8)
sphero-, spher-, -sphere-
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“heterosphere”
heterosphere
The upper portion of the atmosphere approximating the region of the thermosphere and the ionosphere.
The heterosphere includes the layers of the thermospere and the exosphere.
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Meteorology or Weather Terms +
(page 4)