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

The McMaster team’s broader research highlights how integrating biosensors, wearables, and AI could revolutionize diagnostics for women’s health — from reproductive conditions to cancer and osteoporosis. —Neetika Walter, Interesting Engineering, 11 Oct. 2025

Advances in a combination of wearable biosensors to detect neuromuscular fatigue, surface testing equipment and machine learning could help predict individualized cramp risk. —Michael Hales, The Conversation, 9 Sep. 2025

The latest over-the-counter biosensors—such as Dexcom’s Stelo and Abbott’s Lingo—can now be purchased without a prescription. —Daryl Austin, Forbes.com, 21 Aug. 2025

The pocket-sized biosensor quickly and accurately detects breast cancer by measuring biomarkers in saliva samples. —Cindy Krischer Goodman, Sun Sentinel, 15 Aug. 2025

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