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

Framery, which makes soundproof phone pods and sells them to companies such as Microsoft and L’Oreal, has tested outfitting its chairs with biosensors capable of measuring heart rate, breathing rate, and nervousness. —Ellen Cushing, The Atlantic, 3 May 2026

Clinicians increasingly rely on biosensor data to manage conditions outside of the clinic, and telemedicine continues to expand, creating demand for richer physiological insights that can inform wellness and clinical decisions. —Forbes.com, 27 Mar. 2026

This type of system has been used since the 1970s in biosensors, reactors, and batteries. —Rupendra Brahambhatt, Interesting Engineering, 14 Feb. 2026

Unlike following a standardized diet or exercise plan that's not made for you personally, a real-time biosensor like a CGM can give you very personalized tips. —Adrienne So, Wired News, 3 Feb. 2026

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