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biorhythm
biorhythmics
BIOS
biosatellite
bioscience
bioscientist
bioscope
biosecurity
biosensor
bioseparation
biosignature
-biosis
biosphere
biosphere reserve
biospheric cycles
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biosensor

bi·o·sen·sor [ b ō sènssər, b ō sènsawr ] (plural bi·o·sen·sors)


noun 
Definition:
 
device for detecting physiological signals: an apparatus that uses a biological agent such as an enzyme or organelle to detect, measure, or analyze chemicals. Biosensors are increasingly used in tests to diagnose medical conditions such as blood pressure.

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