Galilean telescope: Meaning and Definition of

Gal'ile'an tel'escope

Pronunciation: [key]
  1. a refracting telescope that forms an erect image, consisting of an objective of relatively long focal length that causes light rays to converge and an eyepiece of short focal length that causes them to diverge.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.