the stratosphere

noun

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.

Word by Word Definitions

stratosphere play

: 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

See the full definition of stratosphere