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common knowledge

/ˌkɑmən ˌnɑlədʒ/
/ˈkɒmən ˈnɒlɛdʒ/
IPA guide

Definitions of common knowledge
  1. noun
    anything generally known to everyone
    see moresee less
    types:
    ancient history
    knowledge of some recent fact or event that has become so commonly known that it has lost its original pertinence
    type of:
    general knowledge, public knowledge
    knowledge that is available to anyone
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