noun
- the lowest layer of Earth’s atmosphere, extending from the surface to about 6-10 miles high, where most weather occurs
Usage: meteorology
Examples
- Commercial airliners typically fly in the upper troposphere.
- Most clouds form in the troposphere where water vapor condenses.
- The troposphere contains about 75% of the atmosphere’s mass.
- Temperature generally decreases with altitude in the troposphere.
- Weather patterns develop within the troposphere due to air circulation.
- The boundary between the troposphere and stratosphere is called the tropopause.