parlance

/ˈpɑrləns/
noun
  1. A particular way of speaking or using words, especially in a specific group or field.
    • In legal parlance, that is called a 'motion to dismiss'.
    • In medical parlance, a heart attack is known as a myocardial infarction.
    • The term 'viral' in common parlance means something that spreads quickly online.
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