Wi-Fi is a family of wireless network protocols based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access, allowing nearby digital devices to exchange data by radio waves.
Wireless computer network that links devices using wireless communication within a limited area
A network that links two or more devices using some wireless distribution method (typically spread-spectrum or OFDM radio), and usually providing a connection through an access point to the wider internet.
The capability to connect to a Wi-Fi network.
The refrigerator cost 1000 more dollars just because it had Wi-Fi, and I'm thinking "this is ridiculous"!