What is "ptd"

PTD may refer to:

• Dominican Workers' Party (in Spanish: Partido de los Trabajadores Dominicanos, or PTD), a political party in the Dominican Republic
• Poloidal-Toroidal Decomposition, a technique in mathematics for representing solenoidal vector fields
• Pre-term delivery (birth) of a baby of less than 37 weeks gestational age
• Participatory technology development is an approach, in international development, to learning and innovation as part of projects and programs in sustainable agriculture
• Pre-Thread Data file under the .NET Framework using Common Language Runtime for the Microsoft Windows personal computer operating system.
• Prevention through design (PtD) is the concept, in design and engineering, of mitigating occupational hazards by "designing them out"
• Potsdam Municipal Airport, which has the FAA location identifier PTD
• Post-vacation blues, sometimes referred to as post-travel depression
• Product Testing Division, such as for a product or video game.