the stratosphere
Definition of the stratosphere
1 : the upper layer of the Earth's atmosphere that begins about 7 miles (11 kilometers) above the Earth's surface and ends about 30 miles (50 kilometers) above the Earth's surface
2 : a very high position, level, or amount Tuition at many colleges has soared into the stratosphere. His career is clearly headed for the stratosphere.
Indulge Your Inner Word Nerd
Word by Word Definitions
: the part of the earth's atmosphere which extends from the top of the troposphere to about 30 miles (50 kilometers) above the surface and in which temperature increases gradually to about 32° F (0° C) and clouds rarely form
: a very high or the highest region on or as if on a graded scale
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