dividing line

Noun
  1. A conceptual separation or distinction (synset 105756783)
    "there is a narrow line between sanity and insanity"
    is a type of: differentiation, distinction - a discrimination between things as different and distinct on the basis of their characteristics or attributes
    subtypes: point of no return, rubicon - a line that when crossed permits of no return and typically results in irrevocable commitment
    same as: contrast, demarcation, line

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