Home › Words › T › telescopertelescopertelescoper means that which telescopes, particularly in the mathematical sense.EtymologyFrom telescope + -er.nounThat which telescopes, particularly in the mathematical sense.e.g.“In this paper, we solve the existence problem of telescopers for rational functions in three discrete variables.” — 2016, Shaoshi Chen, Qing-Hu Hou, George Labahn, Rong-Hua Wang, “Existence Problem of Telescopers: Beyond the Bivariate Case”, in arXiv:Definitions & examples from Wiktionary (CC BY-SA 3.0).