0 a type of meter (= a device that measures the amount of something that is used) with computer technology, that shows how much energy, etc. is being used and sends this information to the company that is supplying the energy:
The new, computer-based "smart meters" measure usage in real time.
She said such tools as smart meters would enable customers to recognize and respond to the real costs of generating power.
The fear is that the coming smart meters will do little more than save the companies money by allowing them to read customers' meters remotely - thus enabling them to fire their meter readers.
