or·​li·​stat ˈȯr-li-stat How to pronounce orlistat (audio)
: a drug C29H53NO5 that prevents the digestion of fat by inhibiting the activity of gastrointestinal lipases and is administered orally in the treatment of obesity

Note: Orlistat is marketed under the trademarks Xenical and Alli.

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Cite this Entry

“Orlistat.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/orlistat. Accessed 30 Jan. 2023.

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