biosensor

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noun bio·sen·sor \-ˈsen-ˌsȯr, -ˈsen(t)-sər\

Definition of biosensor

: a device that monitors and transmits information about a life process; especially : a device consisting of a biological component (such as an enzyme or bacterium) that reacts with a target substance and an electrochemical or optical component that detects the resulting products or by-products and emits a signal

Recent Examples of biosensor from the Web

In the Avengers: Age of Ultron clip, Tony Stark speculates that there is a biosensor in the hammer’s shaft that recognizes when Thor has grasped Mjolnir.

— james kakalios, WIRED, "Finally, Science Explains Why No One Can Lift Thor’s Hammer", 12 Nov. 2014

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'biosensor'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of biosensor

1961

Medical Dictionary

biosensor

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noun bio·sen·sor \ˈbī-ō-ˌsen-ˌsȯ(ə)r, -ˌsen(t)-sər\

Medical Definition of biosensor

: a device that monitors and transmits information about a life process; especially : a device consisting of a biological component (such as an enzyme or bacterium) that reacts with a target substance and an electrochemical or optical component that detects the resulting products or by-products and emits a signal New biosensors that can sniff out traces of the explosives RDX and TNT may be used to help clean up old munitions sites.—Science News, 6 Apr. 1996