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killer app - definition and synonyms

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noun [countable] computing informal killer app pronunciation in American English /ˈkɪlər ˌæp/
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singularkiller app
pluralkiller apps
  1. killer application: a piece of software that is so popular that it makes many people buy the computer system that it operates on

conlang

… a language for human communication which has been invented and has not developed naturally

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spogs

spectacles; boiled sweets, candy; soft aniseed-flavoured jelly sweets coated with blue and pink sugar sprinkles

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