oxtriphylline
noun
ox·tri·phyl·line
| \ ˌäks-ˌtri-ˈfil-ˌēn
, -ˈtrif-ə-ˌlēn
\
, -ˈtrif-ə-ˌlēn
\
Medical Definition of oxtriphylline
: the choline salt C12H21N5O3 of theophylline used chiefly as a bronchodilator