bioavailability

noun

bio·​avail·​abil·​i·​ty ˌbī-(ˌ)ō-ə-ˌvā-lə-ˈbi-lə-tē How to pronounce bioavailability (audio)
: the degree and rate at which a substance (such as a drug) is absorbed into a living system or is made available at the site of physiological activity
bioavailable adjective

Examples of bioavailability in a Sentence

Recent Examples on the Web The study’s findings show that foods made with PPO-containing fruits and vegetables can have an impact on the bioavailability of flavanols. Rebecca Jaspan, Mph, Rd, Health, 29 Sep. 2023 In past reviews, outdated methods suggested that oral doses of phenylephrine resulted in 38 percent bioavailability of the active version of the drug after ingestion. Beth Mole, Ars Technica, 15 Sep. 2023 The primary objective is to evaluate the absolute bioavailability of TH104 as well as assess safety and tolerability. Sacramento Bee, 5 Feb. 2024 This form of magnesium has better bioavailability and is less likely to cause digestive issues. Allison Futterman, Discover Magazine, 29 Jan. 2024 But modern studies have suggested that phenylephrine is highly metabolized in the gastrointestinal tract, resulting in less than 1 percent bioavailability of the active drug. Beth Mole, Ars Technica, 15 Sep. 2023 However, with sublingual use of CBD oil, the bioavailability is significantly higher. Amber Smith, Discover Magazine, 23 Oct. 2023 For example, vaping CBD may have higher bioavailability compared to oral ingestion. Onset and duration: Different formats have varying onset times and durations of effects. Amber Smith, Discover Magazine, 13 Oct. 2023 The new research found that foods made with PPO-containing fruits and vegetables (like bananas) can have an impact on the bioavailability of flavanols. Rebecca Jaspan, Mph, Rd, Health, 29 Sep. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'bioavailability.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1961, in the meaning defined above

Time Traveler
The first known use of bioavailability was in 1961

Dictionary Entries Near bioavailability

Cite this Entry

“Bioavailability.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bioavailability. Accessed 19 Mar. 2024.

Medical Definition

bioavailability

noun
bio·​avail·​abil·​i·​ty -ə-ˌvā-lə-ˈbil-ət-ē How to pronounce bioavailability (audio)
plural bioavailabilities
: the degree and rate at which a substance (as a drug) is absorbed into a living system or is made available at the site of physiological activity
bioavailable adjective
Last Updated: - Updated example sentences
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