H1N1H1N1 /ˌeɪtʃ wʌn ˈen wʌn/ noun [uncountable] 
the virus that causes swine flu
the virus that causes swine flu- Department of Housing and Urban Development
- Department of Justice
- Department of Labor
- Department of Motor Vehicles
- Department of National Heritage
- Department of Social Security
- Department of State
- Department of the Environment
- Department of the Interior
- Department of Trade and Industry
- Department of Transportation
- department store
- departure
- departure lounge
- departures board
- depend
- dependability
- dependable
- dependably
- dependant
- dependence
- dependency
- dependent
- dependent clause
- depict