Ephemeral Map

Ephemeral Map

(religion, spiritualism, and occult)

The ephemeral map is the astrological chart cast in horary astrology for the event in question.

References in periodicals archive ?
We meet strip maps, the Mappa Mundi, the Mercator projection (and navigational charts based thereon), John Snow's map of cholera in London, treasure maps, maps of Antarctic expeditions, city street directories, transportation system maps such as Harry Beck's London Tube map, maps in movies, video games and travel guides, and more ephemeral maps, such as those that exist in in-car navigation systems or taxi drivers' brains.
In the Web services context, one issue to consider is that decisions will increasingly be made on the basis of ephemeral maps created online, making it difficult to document the basis for decisions.