Having n independent modes of spread or variation.
The Century Dictionary (Public Domain)
Use "n-way" in a sentence
"Preconditions: Specific concessions made by one party in exchange for being allowed to participate in a conference or in specific n-way meetings with other parties."
"You set up your n-way conversation in iChat, you hit record in GarageBand, and it creates a multitrack recording of it for you with the speakers labelled."
"For an English example, consider a video game in which any number n of teams can compete in an n-way competition."