Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
A bitter crystalline compound present in small quantities in tea leaves, isomeric with theobromine; used as a drug in therapy for respiratory diseases.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Topics: chemistry, medicine, natural-sciences, organic-chemistry, pharmacology, physical-sciences, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a colorless crystalline alkaloid derived from tea leaves or made synthetically; used in medicine as a bronchial dilator
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: Elixophyllin, Slo-Bid, Theobid
Antonyms: none provided
Broader terms: bronchodilator
History
Etymology tree Translingual Thea Ancient Greek φύλλον (phúllon) Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnusder. Old French -inbor. Middle English -in English -ine English theophylline From Translingual Thea (“former genus name for the tea plant”) + Ancient Greek φύλλον (phúllon, “leaf”) + English -ine.
Across languages
5 source translations are retained for this English entry.
