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stratosphere

noun

ˈstræt.ə.sfɪər

Meaning

The layer of the earth's atmosphere above the troposphere, extending to about 50 km above the earth's surface.

The stratosphere provides a unique environment.

atmospheric layer

ground, surface

A confusing and difficult problem or question; a riddle whose answer is or involves a pun.

strong disapproval, typically on moral grounds

the arrangement of the natural and artificial physical features of an area

a situation in which people or organizations try to be more successful than others

A person without professional or specialized knowledge in a particular subject.

The hard fibrous material that forms the main substance of the trunk or branches of a tree or shrub.