oxtriphylline

noun ox·tri·phyl·line
\ˌäks-ˌtri-ˈfil-ˌēn, -ˈtrif-ə-ˌlēn\

Medical Definition of OXTRIPHYLLINE

: the choline salt C₁₂H₂₁N₅O₃ of theophylline used chiefly as a bronchodilator

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

Put-downs with flair

How to use a word that (literally) drives some people nuts.

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears

Join Us

Merriam-Webster
on Facebook

Merriam-Webster
on Twitter

Bookstore: Digital and Print

Merriam-Webster references for Mobile, Kindle, print, and more.

See All

Other Merriam-Webster Dictionaries