bioavailability

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

noun

, Biochemistry.

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

bioavailability

/ ˌbaɪəʊəˌveɪləˈbɪlɪtɪ /

noun

1. 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 intravenous Also calledsystemic availability

Derived Forms

• ˌbioaˈvailable, adjective

Other Words From

• bio·a·vaila·ble adjective

Word History and Origins

Origin of bioavailability¹

First recorded in 1965–70; bio- + available ( def )

Example Sentences

Tyrosine has limited bioavailability in living organisms.

From Science Daily

Milk proteins could also potentially affect the absorption, or bioavailability, of caffeine by the human body.

From Science Daily

"Oral bioavailability means that you can take the medicine by mouth and do not need to visit a health care setting to receive treatment," says Timothy Sheahan, PhD, an expert virologist and assistant professor of epidemiology at the Gillings School.

From Science Daily

The research introduces the driving mechanism for phytoplankton growth under the influence of human activities, termed the 'Anthropogenic Nitrogen Pump', where phytoplankton absorbs a large amount of nitrogen, exacerbates phosphorus deficiency, and enhances the bioavailability of DOP for phytoplankton growth.

From Science Daily

Superoxide is a highly reactive ROS known for influencing ocean ecology, organisms' physiology, and driving chemistry in the ocean including the breakdown of carbon and the bioavailability of metals and nutrients.

From Science Daily