Aramex Courier Customer Care Number- Toll Free Service/Helpline Number. Aramex Courier Customer Care Number. Aramex is a leading global logistics provider with its operations spread in over 310 locations across the world.
Here are all the possible meanings and translations of the word RO. Princeton's WordNet(0.00 / 0 votes)Rate this definition: Ro(noun) an artificial language for international use that rejects all existing words and is based instead on an abstract analysis of ideas.
Reverse Osmosis Definition. Reverse osmosis or RO is a filtration method that is used to remove ions and molecules from a solution by applying pressure to the solution on one side of a semipermeable or selective membrane. Large molecules (solute) can't cross the membrane, so they remain on one side. Water (solvent) can cross the membrane.