biosensor

noun

bio·​sen·​sor ˌbī-(ˌ)ō-ˈsen-ˌsȯr 

-ˈsen(t)-sər

: 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

Examples of biosensor in a Sentence

Recent Examples on the Web

Other factors, like temperature, limited air circulation, low humidity levels and irritating substances including biosensors and tape can also affect an astronaut's skin, the Biomedicines report states. —Greta Cross, USA TODAY, 18 Mar. 2025

One of these is a contact lens that could be recharged through a contact lens case, and another had biosensors that could analyze certain parameters in tear fluid to monitor glucose, cortisol, and more. —Simon Hill, WIRED, 5 Mar. 2025

Today, silicon photonic circuits connect server racks and play key roles in chemical sensors, biosensors, and lidar for self-driving cars. —IEEE Spectrum, 4 Feb. 2025

This version was a test unit that simply transmitted a greeting when triggered by an Android smartphone; units with biosensors haven’t yet been made available to journalists. —IEEE Spectrum, 29 May 2015

Word History

First Known Use

1961, in the meaning defined above

Rhymes for biosensor

• condenser
• dispenser
• extensor
• censer
• censor
• denser
• fencer
• sensor
• tensor

Medical Definition

biosensor

noun

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

: 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