tel ‧ e ‧ scop ‧ ic /ˌteləˈskɒpɪk◂, ˌtelɪˈskɒpɪk◂ $ -ˈskɑː-/ BrE AmE adjective
1 . made of parts that slide over each other so that the whole thing can be made longer or shorter:
a tripod with telescopic legs
2 . making distant things look bigger, like a telescope does:
a telescopic lens
a rifle with a telescopic sight
3 . done using a telescope:
his telescopic observations of the moon