: an artificial vesicle composed of one or more concentric phospholipid bilayers and used especially to deliver microscopic substances (such as drugs or DNA) to body cells

Examples of liposome in a Sentence

Recent Examples on the Web
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Miniature compartments, such as lipid bilayers configured into capsules like liposomes and micelles, are important for cellular organization and function. Discover Magazine, 17 Oct. 2024 The ingredients are housed in liposomes to gradually release them throughout the day, creating a long-lasting effect. Sarah Han, Allure, 15 Oct. 2024

Word History

First Known Use

1968, in the meaning defined above

Time Traveler
The first known use of liposome was in 1968

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Cite this Entry

“Liposome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/liposome. Accessed 10 Mar. 2025.

Medical Definition

1
: one of the fatty droplets in the cytoplasm of a cell
2
: an artificial vesicle that is composed of one or more concentric phospholipid bilayers and is used especially to deliver microscopic substances (as DNA or drugs) to body cells

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