bioavailability

noun

bio·​avail·​abil·​i·​ty ˌbī-(ˌ)ō-ə-ˌvā-lə-ˈbi-lə-tē 

: 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

ˌbī-(ˌ)ō-ə-ˈvā-lə-bəl 

adjective

Examples of bioavailability in a Sentence

Recent Examples on the Web

Researchers have investigated oral films as a potential delivery platform for peptides, although achieving reliable absorption and bioavailability remains a significant challenge, according to 2026 research. — Samantha Agate, Sacbee.com, 7 Oct. 2026

The shift toward improving nutrient protection, delivery and bioavailability is already taking several forms across the industry. — Aidan Connolly, Forbes.com, 25 Sep. 2026

For best antioxidant activity, be sure to pair turmeric with black pepper and a source of fat, which increase its bioavailability. — Sarah Garone, HEALTH, 16 Sep. 2026

Research indicates that algae oil is comparable to fish oil in terms of overall omega-3 bioavailability. — Lauren Panoff, Verywell Health, 2 Sep. 2026

Word History

First Known Use

1961, in the meaning defined above

Rhymes for bioavailability

• communicability
• comprehensibility
• deliverability
• differentiability
• impenetrability
• impermeability
• impracticability
• inaccessibility
• inadmissibility
• inapplicability
• incompatibility
• indestructibility

Medical Definition

bioavailability

noun

bio·​avail·​abil·​i·​ty -ə-ˌvā-lə-ˈbil-ət-ē 

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

-ˈvā-lə-bəl 

adjective