doub - EC
- double
- double click
- double density
- double density disk
- double insurance
- double option
- double taxation
- double taxation agreement
- double time
- double-A rating
- double-click
- double-digit
- double-entry
- double-entry bookkeeping
- double-entry method
- doubtful
- doubtful debt
- doubtful loan
- Dow Jones (Industrial) Average
- Dow theory
