Definition of paclitaxel
: an antineoplastic drug C47H51NO14 originally derived from the bark of the Pacific yew but now typically derived as a semisynthetic product of the English yew and used to treat ovarian cancer
Recent Examples of paclitaxel from the Web
Doctors debate whether any advantages of Abraxane merit the extra cost compared with generic paclitaxel.
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Origin and Etymology of paclitaxel
Pacific yew + -litax- (perhaps from Taxus brevifolia) + -el (alteration of 1-ol or 3-ol)
First Known Use: 1992See Words from the same year
Medical Definition of paclitaxel
: an antineoplastic agent C47H51NO14 that was originally derived from the bark of a yew tree (Taxus brevifolia of the family Taxaceae) of the western United States and British Columbia but that is now typically derived as a semisynthetic product of the English yew (T. baccata) and is used to treat ovarian cancer which has not responded to conventional chemotherapy—see taxol
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