Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym FIOS is...

FIOS is

  • Free In and Out Stowed

More Meanings For FIOS:

  • Fiber Optic Service
  • Fiber Optic Service
  • Fiber Optic Service
  • Fiber Optic Services
  • Free In and Out Stowed

FIOS is also in:

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