ectometerEtymologyFrom ecto- + -meter; likely coined to describe the "psychokinetic energy detector" from the 1984 movie Ghostbusters.nounA device designed to detect ghosts.“This handheld ectoplasmic scanning device was developed to detect spirit activity within an area. It has a location map to pinpoint a spirit's location and an ectometer to determine density of trace matter and spirit strength”