electron telescope

noun
  1. a telescope in which an infrared image of a distant object is focused on the photosensitive cathode of an image tube.

Origin of electron telescope

First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for electron telescope

electron telescope

noun
  1. an astronomical telescope with an attachment for converting the infrared radiation emitted from the surface of planets into a visible image
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