bioavailability

[ bahy-oh-uh-vey-luh-bil-i-tee ]

/ ˌbaɪ oʊ əˌveɪ ləˈbɪl ɪ ti /

noun Biochemistry.

the extent to which a nutrient or medication can be used by the body.

Nearby words

bioaeronautics, bioarchaeology, bioassay, bioastronautics, bioautography, bioavailability, biobank, biobehavioral, biobehavioral science, biobibliography, biobutanol

Origin of bioavailability

First recorded in 1965–70; bio- + availability

Related forms

bi·o·a·vail·a·ble, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for bioavailability

bioavailability

/ (ˌbaɪəʊəˌveɪləˈbɪlɪtɪ) /

noun

the extent to which a drug or other substance is taken up by a specific tissue or organ after administration; the proportion of the dose of a drug that reaches the systemic circulation intact after administration by a route other than intravenousAlso called: systemic availability

Derived Forms

bioavailable, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for bioavailability

bioavailability

[ bī′ō-ə-vā′lə-bĭl′ĭ-tē ]

n.

The physiological availability of a given amount of a drug, as distinct from its chemical potency.