greyline

Noun

Meaning

(strictly, technical) A transition line, coinciding with a twilight zone (terminator), where a change in the propagation of radio waves is observed.

(loosely) Synonym of twilight zone (“terminator”).

Examples

The rest of the complex, fronting on Loudon and North Limestone, will become Greyline Station & Market, a mixed-use development. Source: Internet

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