HOURS
STD stands for:
- Sexually Transmitted Disease (Eng.), Sexually transmitted disease (svw. Venereal diseases ); also Sexually Transmitted Infection (STI)
- Schedule Time of Departure , planned departure and travel time
- Software Test Documentation , IEEE 829
- Suspend To Disk , the sleep mode S4 in the ACPI standard
- the namespace of the C ++ standard library in the C ++ programming language
- Standard deviation (engl.), Standard deviation
- Synchronous time division , multiplexing
- sacrae theologiae doctor , Latin academic title for theologians
- Santo Domingo , IATA code
- São Tomé Dobra , São Tomé and Príncipe, ISO 4217
- Save the Date , advance notice of an important event
- State Transition Diagram (Engl.), State transition diagram
- Subtropical depression , subtropical low pressure area
- Synthetic Training Device , official name of the JAA (Joint Aviation Authorities) in Europe for a flight simulator ( FNPT )
STD as a distinguishing mark on license plates:
- Germany: District of Stade
. Std stands for:
StD stands for:
std stands for:
- Sentinelese (ISO-639-3 code), language of the Sentinelese on North Sentinel Island