Internet Protocol: a communications protocol for computers connected to a network, especially the Internet, specifying the format for addresses and units of transmitted data.
internet protocol: a code used to label packets of data sent across the internet, identifying both the sending and the receiving computers
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(law) intellectual property
IP in Science
IP Short for Internet Protocol. A protocol that specifies the way data is broken into packets and the way those packets are addressed for transmission. See more at TCP/IP.