twilight zone(redirected from twilight zones)
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An area of ambiguity between two distinct states or conditions: a twilight zone between good and evil.
1. any indefinite or transitional condition or area
2. (Human Geography) an area of a city or town, usually surrounding the central business district, where houses have become dilapidated
3. (Physical Geography) the lowest level of the ocean to which light can penetrate
an ill-defined area between two distinct conditions, categories, etc.; an indefinite boundary.
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|Noun||1.||twilight zone - the lowest level of the ocean to which light can reach|
|2.||twilight zone - the ambiguous region between two categories or states or conditions (usually containing some features of both); "but there is still a twilight zone, the tantalizing occurrences that are probably noise but might possibly be a signal"; "in the twilight zone between humor and vulgarity"; "in that no man's land between negotiation and aggression"|