- Word History, Word Explorer, Word Parts
|part of speech:
||an instrument that uses lenses and sometimes mirrors to make distant objects appear larger.
Powerful telescopes increase our knowledge about stars and planets.
Galileo used the Italian word telescopio
in 1611 for the instrument that he had built. The word came from an ancient Greek word that means "far-seeing." "Telescope" was first used in English about fifty years later.