ru·ble also rou·ble 
(rbəl)
(rbəl)n.
See Table at currency.
[Russian rubl', from Old Russian rublĭ, cut, piece (probably originally a piece cut from a silver bar), from rubiti, to chop, hew; see reup- in the Appendix of Indo-European roots.]
- prima facie
- primal
- primality
- primal scream
- primal therapy
- primaquine
- primarily
- primary
- primary accent
- primary atypical pneumonia
- primary biliary cirrhosis
- primary care
- primary cell
- primary coil
- primary color
- primary consumer
- primary election
- primary growth
- primary meristem
- primary root
- primary school
- primary stress
- primary structure
- primary succession
- primary syphilis