a colorless, crystalline alkaloid, CHNOHO, extracted from tea leaves or prepared synthetically: an isomer of theobromine
Origin of theophyllinefrom Modern Latin thea, tea (infl. by Gr, goddess, as being a divine herb, but from source of tea) + -phyll + -ine
A colorless crystalline alkaloid, C7H8N4O2, derived from tea leaves or made synthetically, used as a bronchodilator primarily to treat asthma and chronic obstructive pulmonary disease.
Origin of theophyllineNew Latin thea the tea plant ( ultimately from Dutch thee ); see tea . phyll(o)- -ine 2
(countable and uncountable, plural theophyllines)
- (pharmacology) Methylxanthine drug used in therapy for respiratory diseases such as COPD or asthma.