English ⇄ English Russian

R/O
abbr., avia.	rollout; runout
abbr., busin.	room only
abbr., earth.sc.	reverse osmosis
abbr., IT	Read-Only
abbr., logist.	routing orders
abbr., med.	rule out; readout
abbr., mil.	receive only
abbr., oil	regional office
abbr., physiol., med.	Rule Out
abbr., scottish	Radio Operator
int.transport.	routing order
mil.	repair and overhaul; requisitions and objectives
R.O.
abbr., busin.	remittance order
abbr., commer.	receiving officer; record office
abbr., earth.sc.	reference object
abbr., libr.	Royal octavo; running order
chem.	reverse osmosis
law	receiving office; receiving order
Игорь Миг, abbr.	Registered Office
R&O
abbr.	Rust & Oxidation inhibited (смазочные материалы A Hun)
abbr., avia.	repair and overhaul (MichaelBurov)
abbr., invest.	repair & overhaul (MichaelBurov)
abbr., mil.	Repair and Overhaul
abbr., O&G, sakh.	Risks and Opportunities
abbr., oil	rust and oxidation; rail and ocean
abbr., oil.lubr.	Rust & Oxidation Inhibitors (A Hun)
R-O
abbr., earth.sc.	reverse osmosis
abbr., file.ext.	Read Only
R.&O.
abbr.	rail and Ocean
R & O
abbr.	requirements and objectives; rail and ocean (Vosoni)
r.o.
O&G	restriction orifice (Izuminka2008)
r & o
int.transport.	rail and ocean (Yuriy83)
r/o
med.	rule out (состояние Vosoni)

R: 19 phrases in 3 subjects

Abbreviation	17
Chemistry	1
Rail transport	1