Definition of biosensor
: a device that monitors and transmits information about a life process; especially : a device consisting of a biological component (as an enzyme or bacterium) that reacts with a target substance and a signal-generating electrochemical component that detects the resulting products or by-products
First Known Use of biosensor
Medical Definition of biosensor
: a device and especially one consisting of a biological component (as an enzyme or bacterium) that aids in the detection of a target substance
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Medical Dictionary: Definition of "biosensor"
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