This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A wireless propagation phenomenon that results in a signal reaching the receiving antenna by two or more paths.

adj. Involving or pertaining to more than one path (route), as between nodes on a network or components in a computer.

"Scientists at the University of Colorado at Boulder have begun using interference patterns-called multipath signals-created when satellite signals reflect off the earth, to measure moisture on the ground and in vegetation."

multipathing   

air-circulation    rectilineal    time-varying    ionospheric    martensite    kth    common-mode    enterprise-specific    radio-frequency    cash-stuffed