1. dividing_line - noun
ยท a conceptual separation or distinction; "there is a narrow line between sanity and insanity"
Synonym(s): line, demarcation, contrast
Hypernym(s): differentiation, distinction
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ยท a conceptual separation or distinction; "there is a narrow line between sanity and insanity"
Synonym(s): line, demarcation, contrast
Hypernym(s): differentiation, distinction