Square Mile 
An informal name for the City of London.
- double pneumonia
- double precision
- double quick
- doubler
- double reed
- double refraction
- double rhyme
- double room
- double salt
- double saucepan
- double sharp
- double shuffle
- double-sided
- double-space
- doublespeak
- double standard
- double star
- double steal
- double stop
- double-stopping
- Double Summer Time
- doublet
- double take
- double-talk
- double-team