telescopic
🇺🇸
/ˌtelɪˈskɑːpɪk/
🇬🇧
/ˌtelɪˈskɒpɪk/
relating to or using a telescope; making things appear larger like a telescope does
The hunter used a rifle with a telescopic sight to see distant targets clearly.
made of parts that slide into each other to extend or shorten the object
The car's telescopic antenna can be adjusted to different lengths for better reception.