Acronyms

• Performance-enhancing drugs
  Performance-enhancing drugs
  Performance-enhancing drugs are substances used by athletes to improve their performances in the sports in which they engage.- Types of performance-enhancing drugs :...
  
  , substances designed to enhance the metabolism of the human body in certain medical situations
• Platform edge doors, another term for Platform screen doors
  Platform screen doors
  Platform screen doors and platform edge doors at train or subway stations screen the platform from the train. They are a relatively new addition to many metro systems around the world, with some platform doors retrofitted rather than installed with the metro system itself. They are widely used in...
  
  
• Price elasticity of demand
  Price elasticity of demand
  Price elasticity of demand is a measure used in economics to show the responsiveness, or elasticity, of the quantity demanded of a good or service to a change in its price. More precisely, it gives the percentage change in quantity demanded in response to a one percent change in price...
  
   in economics
• PIN Entry Device, an automated teller machine or point of sale terminal that requires a personal identification number
  Personal identification number
  A personal identification number is a secret numeric password shared between a user and a system that can be used to authenticate the user to the system. Typically, the user is required to provide a non-confidential user identifier or token and a confidential PIN to gain access to the system...
  
   to complete a transaction
• Pressure Equipment Directive
  Pressure Equipment Directive
  The Pressure Equipment Directive 97/23/EC of the EU sets out the standards for the design and fabrication of pressure equipment generally over one litre in volume and having a maximum pressure more than 0.5 bar gauge...
  
  , a set of standards for the design and manufacture of pressure equipment in the European Union
• Personal Electronic Device, used in many industries' jargon
  Jargon
  Jargon is terminology which is especially defined in relationship to a specific activity, profession, group, or event. The philosophe Condillac observed in 1782 that "Every science requires a special language because every science has its own ideas." As a rationalist member of the Enlightenment he...
  
  

Other

• A soil ped
  Ped
  A ped is a soil particle.There are five major classes of structure seen in soils: platy, prismatic, columnar, granular, and blocky. There are also structureless conditions. Some soils have simple structure, each unit being an entity without component smaller units...
  
   - a unit of soil structure such as an aggregate, crumb, prism, block, or granule, formed by natural processes. (See soil structure
  Soil structure
  Soil structure is determined by how individual soil granules clump or bind together and aggregate, and therefore, the arrangement of soil pores between them...
  
  )
• A word component of Latin origin meaning "foot"
• USA spelling (UK spelling "paed-") of a word component of Greek origin meaning "child
  Child
  Biologically, a child is generally a human between the stages of birth and puberty. Some vernacular definitions of a child include the fetus, as being an unborn child. The legal definition of "child" generally refers to a minor, otherwise known as a person younger than the age of majority...
  
  "