troposphere tropophytic • tropostereoscope · · · Info · Definitions · Characters · · troposphere · · Text Latin · · Script 11 · · Length Definitions · · · (noun) the lowest atmospheric layer; from 4 to 11 miles high (depending on latitude). · · Noun Definition 1 Characters · · e latin small letter e U+0065 h latin small letter h U+0068 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074