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bioavailability Syllabification: bi·o·a·vail·a·bil·i·ty
Pronunciation: /ˌbīōˌəvāləˈbilədē/

Definition of bioavailability in English:


The proportion of a drug or other substance that enters the circulation when introduced into the body and so is able to have an active effect.
Example sentences
  • These effects may profoundly affect the oral bioavailability of drugs.
  • Clinicians and patients should beware of possible reductions in systemic bioavailability of conventional drugs when taken concomitantly with St John's wort.
  • Systemic bioavailability secondary to lung bioavailability definitely occurs, but the contribution is insignificant.


Pronunciation: /-əˈvāləbəl/
Example sentences
  • Vancomycin is poorly bioavailable when administered orally, and for systemic infections the intravenous route is used.
  • As with other protein products, predigesting proteins facilitate absorption in the gastrointestinal tract, thus making the amino acids more bioavailable.
  • It is not surprising that such complex species are not readily bioavailable, and are therefore not toxic.
Definition of bioavailability in:
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