Word.ws English Dictionary

theophylline

UK/θi.əˈfɪl.iːn/US/θiˈɑf.əl.ɪn/

theophylline noun: a bitter crystalline compound present in small quantities in tea leaves, isomeric with theobromine; used as a drug in therapy for respiratory diseases.

Noun

theophylline (uncountable)

  1. A bitter crystalline compound present in small quantities in tea leaves, isomeric with theobromine; used as a drug in therapy for respiratory diseases.

Origin of theophylline

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

Words formed from theophylline

Words that rhyme with theophylline

4 more rhymesFewer rhymes

Questions about theophylline

What does theophylline mean?
Theophylline means a bitter crystalline compound present in small quantities in tea leaves, isomeric with theobromine; used as a drug in therapy for respiratory diseases.
What part of speech is theophylline?
Theophylline is a noun.
How do you pronounce theophylline?
Theophylline is pronounced /θi.əˈfɪl.iːn/ (UK).

Words near theophylline in the dictionary

  1. Theophrastean
  2. Theophrastian
  3. Theophrastic
  4. theophrastite
  5. Theophrastus
  6. theophylline
  7. theophyllines
  8. theophysical
  9. theopneust
  10. theopneusted
  11. theopneustia

Source and license

Adapted from Wiktionary: theophylline (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “theophylline.” Word.ws, https://word.ws/theophylline. Based on Wiktionary, CC BY-SA 4.0.