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theophyllines - 3 dictionary results
the⋅o⋅phyl⋅line
[thee-uh-fil-een, -in] 
əˈfɪl
–noun Pharmacology.
| a white, crystalline, poisonous alkaloid, C7H8N4O2, an isomer of theobromine, extracted from tea leaves or produced synthetically: used to relieve bronchial spasms, in the treatment of certain heart conditions, and as a diuretic. |
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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Link To theophyllines
| the·oph·yl·line (thē-ŏf'ə-lĭn) n. A colorless crystalline alkaloid, C7H8N4O2, derived from tea leaves or made synthetically, used in medicine especially as a bronchial dilator. [theo(bromine) + phyll(o)- + -ine2.] |
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
| theophylline (thē-ŏf'ə-lĭn) Pronunciation Key
A colorless, crystalline alkaloid derived from tea leaves or made synthetically. It is used in medicine especially as a bronchial dilator. Theophylline is a xanthine that is similar in structure to caffeine and is a structural isomer of theobromine. Chemical formula: C7H8N4O2. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2009, Dictionary.com, LLC. All rights reserved.
