- noun an apparatus in which a biological agent such as an enzyme is used to detect, measure or analyse specific chemicals
- A sensor which incorporates electronic and biological components to perform its function. For instance, such a device may be used to detect minute levels of proteins in body fluids.
- A sensor which detects and measures biological substances or processes. For example, such a device may translate muscle movements into electrical signals.
- noun a device that uses a biological agent such as an enzyme or organelle to detect, measure or analyse chemicals