Theophylline
//θi.əˈfɪl.iːn//
Pronunciation
US //θi.əˈfɪl.iːn//
US //θi.əˈfɪl.ɪn//
US //θiˈɑf.əl.ɪn//
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.