Akademik

dividing line
noun
a conceptual separation or distinction
-

there is a narrow line between sanity and insanity

Syn: ↑line, ↑demarcation, ↑contrast
Derivationally related forms: ↑contrast (for: ↑contrast), ↑demarcate (for: ↑demarcation)
Hypernyms: ↑differentiation, ↑distinction
Hyponyms: ↑Rubicon, ↑point of no return

Useful english dictionary. 2012.