o/a

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o/a

abbr.

on or about

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

o/a

on or about.

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O.R
O.R
O.R.
O.S
O.S
o.s.
o.s.
o.s.
o.s.
O.S. Heyns
O.S.&D.
O.S.C.
O.T.
O.T.
O.T.
O.T.
O.T.
O.T.E.
O.T.L.
O.T.P.
O.u.
O.u.
O.u.
O.U. (Gone, Gone)
O/
O/
O/
O/
O/
O/100 and O/400, Handley Page
o/a
O/B
O/B/O carrier
o/c
o/c
o/c
O/C/T
o/d
o/d
o/d
o/d
o/d
o/d
O/DS
O/E
O/ET
O/F
O/G
O/H
O/H
O/I
O/L
O/M
O/M/L
O/N
O/NTD
O/O
O/O carrier
O/P
O/PA
O/PM
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