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- See Also:
- - F.B.A.
  - F.D.
  - F.F.I.
  - F.F.V.
  - f.g.
  - F.I.O.
  - F.L.B.
  - F.Mk.
  - F.O.
  - f.o.b.
  - F.O.S.
  - F.O.T.
  - F.R.A.S.
  - F.R.C.P.
  - F.R.C.S.
  - F.R.G.
  - F.R.G.S.
  - F.R.S.L.
  - F.R.S.S.
  - f.s.
  - f.v.
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F.O.S.

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WordReference Random House Unabridged Dictionary of American English © 2026

F.O.S.,

free on station.
free on steamer.

Also, f.o.s.

'F.O.S.' also found in these entries (note: many are not synonyms or translations):

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