IPA: /trəʊˈpɒs.fɪk/
KK: /troʊˈpɒsɪfɪk/
Relating to the lowest layer of the Earth's atmosphere, where weather occurs and where most clouds are found.
The tropospheric conditions were perfect for a thunderstorm to develop.
Tropospheric → It is formed from "tropos" (from Greek "τροπος", meaning turn or change) and "spheric" (from Greek "sphaira", meaning sphere). The word "tropospheric" refers to the layer of the atmosphere where weather occurs, indicating the changing or turning nature of the air in that sphere.
Think of 'tropos' meaning 'turn' or 'change' to remember that 'tropospheric' relates to the layer of the atmosphere where changes in weather happen.