troposphere

noun tro·po·sphere \ ˈtrō-pə-ˌsfir , ˈträ- \
Updated on: 19 Nov 2017

Definition of troposphere

: the lowest densest part of the earth's atmosphere in which most weather changes occur and temperature generally decreases rapidly with altitude and which extends from the earth's surface to the bottom of the stratosphere at about 7 miles (11 kilometers) high

tropospheric

play \ˌtrō-pə-ˈsfir-ik, ˌträ-, -ˈsfer-\ adjective

Recent Examples of troposphere from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'troposphere.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of troposphere

International Scientific Vocabulary


Learn More about troposphere


Seen and Heard

What made you want to look up troposphere? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

food, provisions, or a tasty dish

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!