DR

Dry riser

Dr

1. Debtor
2. Doctor
3. Driver
4. Drummer

dr.

1. Drachma
2. Dram
3. Drawer

Dr.

1. Drachma
2. Drive (in street names)

• bioaccumulate
• bioaccumulated
• bioaccumulates
• bioaccumulating
• bioaccumulation
• bioactive
• bioassay
• bioassayed
• bioassaying
• bioassays
• bioastronautics
• bioavailabilities
• bioavailability
• bioavailable
• biobibliographical
• bioblast
• bioblasts
• biocatalyst
• biocatalysts
• biochemical
• biochemically
• biochemical oxygen demand
• biochemist
• biochemistries
• biochemistry