noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A bitter crystalline compound present in small quantities in tea leaves, isomeric with theobromine; used as a drug in therapy for respiratory diseases. uncountable
2. 2
   a colorless crystalline alkaloid derived from tea leaves or made synthetically; used in medicine as a bronchial dilator wordnet

Synonyms

All synonyms

elixophyllinslo-bidtheobid

Etymology

From translingual Thea (“former genus name for the tea plant”) + Ancient Greek φύλλον (phúllon, “leaf”) + -ine.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.