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

FiOS is

  • Fiber Optic Service

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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