/ (ˌtɛlɪˈspɛktrəˌskəʊp) /
a combination of a telescope and a spectroscope, used for spectroscopic analysis of radiation from stars and other celestial bodies
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for telespectroscope
This mechanism consists of an excessively sensitive plate, adjusted in the solar focus of the telespectroscope.
Frequently it gazed eastward along the tiny beam of light which issued from the telespectroscope.Astounding Stories, May, 1931|Various