from the GNU version of the Collaborative International Dictionary of English
- n. a telescope which has a simple eyepiece so constructed or used as not to reverse the image formed by the object glass, and consequently exhibits objects inverted, which is not a hindrance in astronomical observations.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any telescope designed to collect and record electromagnetic radiation from cosmic sources
Sorry, no etymologies found.