Wiktionary
tropospheric
a. of, or relating to, the troposphere
Wikipedia
Usage examples of "tropospheric".
Over Antarctica, laser arrays glowed red, laboring to destroy tropospheric chlorofluorocarbons.
I'd received the directive and acknowledged it and all I could do now was hole up on Heng-kang till tonight and come back and go over the rig again to see if I could fill in a few of the gaps: try finding out what type of missile they were going to plug into this thing, take a closer peek at the unit that looked like a tropospheric scatter system, do a soft-shoe snatch on one of the guards and get him into cover and see if he Could understand Cantonese.