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Noun: app  ap
  1. A software program that runs on a mobile device, esp. a third-party program for a smartphone
    "WordWeb is available as an iPhone app"
  2. A program that gives a computer instructions that provide the user with tools to accomplish a task
    "he has tried several different word processing apps";
    - application, application program, applications programme

Derived forms: apps

Type of: computer program, computer programme [Brit], program, programme [Brit, Cdn]

Encyclopedia: App